1 00:00:00,800 --> 00:00:03,017 Le te bejme me shume shembuj 2 00:00:03,017 --> 00:00:07,036 vetem per t'u siguruar qe po ecim mire 3 00:00:07,036 --> 00:00:11,447 Te ndertojme ca trekendesha kenddrejte 4 00:00:11,716 --> 00:00:12,550 Te ndertojme ca trekendesha kenddrejte 5 00:00:13,668 --> 00:00:15,186 dhe dua te jem shume i qarte. 6 00:00:16,049 --> 00:00:18,732 Ajo qe kam thene vlen vetem per kenddrejte 7 00:00:20,279 --> 00:00:23,338 Ne raste funksionesh trig. te kendeve jo ne trekendesha kenddrejte 8 00:00:24,601 --> 00:00:27,646 duhet te ndertosh trekendesha kenddrejte 9 00:00:28,080 --> 00:00:28,953 Por te perqendrohemi tek kenddrejtet tani 10 00:00:29,439 --> 00:00:32,113 Pra, kemi nje trekendesh, 11 00:00:32,286 --> 00:00:35,128 le te themi gjatesia ketu eshte shtate 12 00:00:36,308 --> 00:00:38,749 dhe gjatesia ne kete ane ketu lart 13 00:00:38,749 --> 00:00:39,808 eshte, te themi, kater. 14 00:00:39,908 --> 00:00:41,729 Le te gjejme sa do te jete hipotenuza. 15 00:00:43,579 --> 00:00:45,641 Le ta quajme hipotenuzen "h," 16 00:00:45,641 --> 00:00:51,765 h ne katror = 7 ne katror dhe 4 ne katror, 17 00:00:51,765 --> 00:00:55,610 e dime nga teorema e Pitagores, 18 00:00:55,610 --> 00:00:58,672 qe hipotenuza ne katror 19 00:00:58,672 --> 00:01:01,513 eshte sa shuma e katroreve te dy brinjeve. 20 00:01:01,513 --> 00:01:03,666 h ne katror =7 ne katror plus 4 ne katror. 21 00:01:03,666 --> 00:01:08,507 Pra, kjo eshte 49 plus 16, 22 00:01:08,507 --> 00:01:11,640 49 plus 16, 23 00:01:11,640 --> 00:01:17,017 49 plus 10 eshte 59, plus 6 eshte 65. 24 00:01:17,017 --> 00:01:23,165 Eshte 65. Pra, h ne katror, 25 00:01:23,165 --> 00:01:26,486 ta shkruaj: h ne katror, tjeter e verdhe, 26 00:01:26,486 --> 00:01:29,259 pra, kemi h ne katror baraz me 65. 27 00:01:29,259 --> 00:01:33,106 E bera mire? 49 plus 10 = 59, plus 6 = 65, 28 00:01:33,106 --> 00:01:37,487 ose h eshte =, me rrenjet e te 2 aneve, 29 00:01:37,487 --> 00:01:39,856 rrenja katrore 30 00:01:39,856 --> 00:01:42,759 rrenja e 65. Dhe s'mund ta thjeshtojme. 31 00:01:42,759 --> 00:01:44,820 Kjo eshte 13. 32 00:01:44,820 --> 00:01:47,728 Kjo eshte njesoj si 13 here 5, 33 00:01:47,728 --> 00:01:50,665 te dyja jane katrore perfekte dhe 34 00:01:50,665 --> 00:01:51,733 dhe jane numra prime, s'i thjeshtojme dot. 35 00:01:51,733 --> 00:01:55,580 Kjo eshte baraz me rrenjen e 65es. 36 00:01:55,580 --> 00:02:00,721 Tani gjejme funk. trig. per kete kend. 37 00:02:00,721 --> 00:02:05,124 Ta quajme kendim ketu lart theta. 38 00:02:05,124 --> 00:02:09,289 Kurdo qe ta beni 39 00:02:09,289 --> 00:02:12,142 gjithmone ta shkruani, une keshtu e bej, 40 00:02:12,142 --> 00:02:15,034 "sph knh tpn" 41 00:02:15,034 --> 00:02:16,523 sph... 42 00:02:16,523 --> 00:02:19,049 ...sph knh tpn. Kam disa kujtime 43 00:02:19,049 --> 00:02:21,641 nga mesuesja e trigonometrise. 44 00:02:21,641 --> 00:02:23,665 Do ta kem lexuar diku. S'e di, ndoshta... 45 00:02:23,665 --> 00:02:25,666 1 princeshe indiane "Soh Kah Toa," s'e di 46 00:02:25,666 --> 00:02:27,798 por ia vlen ta mbani mend, 47 00:02:27,798 --> 00:02:30,549 mund te zbatojme "sph knh tpn" 48 00:02:30,549 --> 00:02:33,233 Ta zeme se duam te gjeme kosinusin. 49 00:02:33,233 --> 00:02:35,926 Duam te gjejme kosinusin e kendit tone. 50 00:02:35,926 --> 00:02:38,019 Te gjejme cos e kendit me "sph knh tpn!" 51 00:02:38,019 --> 00:02:40,452 P.sh., "knh." "Knh" per kosinusin, 52 00:02:42,000 --> 00:02:42,715 "Knh" na thote 53 00:02:45,079 --> 00:02:48,239 kosinusi = brinja Ngjitur mbi Hipotenuze 54 00:02:48,813 --> 00:02:51,740 Cos eshte Ngjitur permbi Hipotenuze (knh) 55 00:02:52,740 --> 00:02:55,487 Shohim theten; cila eshte brinja ngjitur? 56 00:02:56,333 --> 00:02:58,455 E dime qe hipotenuza, 57 00:02:59,117 --> 00:03:02,000 E dime qe hipotenuza eshte kjo brinja ketu 58 00:03:02,479 --> 00:03:05,438 S'eshte ana tjeter. E vetmja ngjitur qe s'eshte 59 00:03:06,270 --> 00:03:08,504 hipotenuza, eshte kjo katra. 60 00:03:09,006 --> 00:03:11,590 Brinja ngjitur ketu, kjo brinje eshte, 61 00:03:12,133 --> 00:03:14,800 eshte tamam ngjitur me kendin, 62 00:03:15,507 --> 00:03:18,121 eshte nja nga brinjet qe krijon kendin 63 00:03:18,449 --> 00:03:20,561 eshte 4 pjestuar me hipotenuze 64 00:03:21,016 --> 00:03:23,424 Hipotenuza eshte rrenja e 65es. 65 00:03:24,439 --> 00:03:27,030 Pra, eshte 4 permbi rrenjen e 65es. 66 00:03:28,091 --> 00:03:32,122 Hiq rrenjen nga emeruesi, dmth 67 00:03:32,786 --> 00:03:35,454 s'na pelqen te kemi rrenje ne emerues, 68 00:03:35,454 --> 00:03:37,062 si rrenja e 65es, 69 00:03:37,537 --> 00:03:40,067 nese do ta shkruash pa rrenje ne emerues, 70 00:03:40,648 --> 00:03:43,420 shumezo numeruesin me emeruesin, 71 00:03:43,420 --> 00:03:45,930 pra, me rrenjen e 65es. 72 00:03:45,930 --> 00:03:48,158 Kjo s'e ndryshon numrin, 73 00:03:48,158 --> 00:03:50,268 Se shumezon e pjeston me te njejtin numer, 74 00:03:50,268 --> 00:03:51,239 pra, po shumezojme me 1. 75 00:03:51,249 --> 00:03:54,158 Numri s'ndryshon, por emeruesi s'ka rrenje 76 00:03:54,158 --> 00:03:56,770 Numeruesi eshte 77 00:03:57,048 --> 00:03:58,973 4 here rrenja e 65es. 78 00:03:59,879 --> 00:04:02,862 dhe numeruesi, rrenja e 65es here vetveten eshte 65. 79 00:04:02,862 --> 00:04:06,819 S' shpetuam nga rrenja, eshte ende aty, por ne numerues. 80 00:04:09,158 --> 00:04:11,684 Te bejme funksione te tjera trigonometrike 81 00:04:11,684 --> 00:04:14,523 ose te pakten nje tjeter funksion baze. 82 00:04:14,523 --> 00:04:16,694 Do te mesojme me vone qe ka shume prej tyre 83 00:04:16,694 --> 00:04:17,374 por te gjitha vijne nga keto. 84 00:04:17,374 --> 00:04:20,187 C'shenje ka theta. "Sph knh tpn." 85 00:04:25,832 --> 00:04:30,592 "Spn" per sin. Sin = brinja perballe/hipotenuze 86 00:04:30,592 --> 00:04:33,122 Sinusi = brinja perballe mbi hipotenuze. 87 00:04:33,122 --> 00:04:35,139 Sinusi = brinja perballe mbi hipotenuze. 88 00:04:35,139 --> 00:04:37,648 Per kete kend cila eshte brinja perballe? 89 00:04:37,648 --> 00:04:40,407 Shohim perballe, eshte perballe shtates 90 00:04:41,147 --> 00:04:43,407 Shtata eshte brinja perballe. 91 00:04:44,068 --> 00:04:46,739 Ja, kjo, kjo eshte brinja perballe 92 00:04:47,147 --> 00:04:49,799 dhe pastaj hipotenuza, perballe mbi h. 93 00:04:49,799 --> 00:04:51,908 Hipotenuza eshte rrenja e 65es. 94 00:04:51,908 --> 00:04:53,607 Rrenja e 65es 95 00:04:53,607 --> 00:04:56,147 dhe nese do te heqim rrenjen nga emeruesi 96 00:04:56,538 --> 00:04:58,491 shumezojme me rrenjen e 65 /rrenjen e 65 97 00:04:59,560 --> 00:05:02,800 dhe tek numeruesi del 7 here rrenja e 65es 98 00:05:03,555 --> 00:05:06,439 dhe emeruesi del 65 perseri. 99 00:05:07,181 --> 00:05:09,866 Tani te gjejme tangentin! 100 00:05:10,719 --> 00:05:12,875 Te gjejme tangentin. 101 00:05:14,091 --> 00:05:15,609 Nese ju pyes per tangentin 102 00:05:16,499 --> 00:05:17,777 e kendit theta 103 00:05:18,267 --> 00:05:20,271 kthehemi tek "sph knh tpn." 104 00:05:21,103 --> 00:05:23,331 "Tpn" na tregon per tangentin 105 00:05:24,066 --> 00:05:25,365 na tregon... 106 00:05:25,408 --> 00:05:28,135 qe tangenti 107 00:05:28,135 --> 00:05:31,587 eshte brinja perballe mbi ate ngjitur 108 00:05:31,587 --> 00:05:33,786 eshte brinja perballe permbi 109 00:05:33,786 --> 00:05:36,244 brinja perballe permbi ate ngjitur 110 00:05:36,718 --> 00:05:39,062 Per kete kend, cila eshte brinja perballe? 111 00:05:40,030 --> 00:05:41,998 Eshte 7. Eshte 7. 112 00:05:43,240 --> 00:05:46,485 Kendi eshte perballe 7es. 113 00:05:47,532 --> 00:05:49,695 Pra, 7 permbi brinjen ngjitur. 114 00:05:49,808 --> 00:05:51,812 Kjo katra eshte ajo ngjitur. 115 00:05:51,892 --> 00:05:53,772 Katra eshte ngjitur. Brinja ngjitur 4. 116 00:05:53,968 --> 00:05:56,030 Pra, 7 permbi 4 117 00:05:56,030 --> 00:05:56,944 dhe mbaruam. 118 00:05:56,944 --> 00:05:59,635 I gjetem funk. trig. te thetes. Nje tjeter 119 00:06:02,770 --> 00:06:04,623 Bejme nje tjeter. 120 00:06:04,648 --> 00:06:05,452 Ta bej me konkrete, se tani vetem thame: 121 00:06:06,314 --> 00:06:08,270 "Cili eshte tg i x apo thetes?" Me konkret 122 00:06:08,270 --> 00:06:09,650 Te themi... 123 00:06:10,683 --> 00:06:13,362 te vizatojme nje trekendesh kenddrejte, 124 00:06:14,207 --> 00:06:15,999 nje tjeter kenddrejte. 125 00:06:15,999 --> 00:06:17,371 Do te kemi te bejme vetem me kenddrejte. 126 00:06:17,885 --> 00:06:20,216 Ta zeme hipotenuza eshte 4 127 00:06:20,811 --> 00:06:25,529 dhe kjo brinja eshte 2 128 00:06:25,529 --> 00:06:29,720 dhe kjo brinja eshte 2 here rrenja e 3. 129 00:06:29,720 --> 00:06:32,561 Ta verifikojme. 130 00:06:33,265 --> 00:06:36,306 Nqs kjo brinja ngrihet ne katror, kemi... 131 00:06:36,306 --> 00:06:40,152 2 here rrenja e 3shit e gjitha ne katror 132 00:06:40,601 --> 00:06:43,838 plus 2 ne katror baraz me cfare? 133 00:06:44,584 --> 00:06:48,239 Kjo eshte 2. 4 here 3. 134 00:06:48,854 --> 00:06:51,015 kater here tre plus kater 135 00:06:51,015 --> 00:06:53,970 dhe kjo do te jete 12 plus 4 baraz me 16 136 00:06:54,573 --> 00:06:57,092 e 16 = 4 ne katror. Kjo eshte 4 ne katror 137 00:06:57,758 --> 00:07:01,177 eshte 4 ne katror. Sipas Pitagores 138 00:07:01,588 --> 00:07:06,582 dhe i kujtoni trekendeshat 30, 60, 90 139 00:07:07,039 --> 00:07:09,210 qe mund te keni mesuar ne gjeometri, 140 00:07:09,770 --> 00:07:12,738 shihni qe ky eshte trekendesh 30, 60, 90. 141 00:07:12,738 --> 00:07:15,907 Ky trekendeshi ketu, 142 00:07:15,907 --> 00:07:17,831 duhet ta kisha vizatuar si kenddrejte 143 00:07:17,831 --> 00:07:21,408 ky eshte kendi yne 30 grade 144 00:07:22,454 --> 00:07:25,800 dhe ky ketu, ky kendi ketu eshte 145 00:07:25,800 --> 00:07:27,708 kend 60 grade 146 00:07:28,410 --> 00:07:30,546 dhe eshte 30, 60, 90, sepse 147 00:07:30,546 --> 00:07:33,714 brinja perballe 30 eshte 1/2 e hipotenuzes 148 00:07:33,714 --> 00:07:35,864 brinja perballe 60 eshte rrenja e 3 here tjetren 149 00:07:37,178 --> 00:07:39,121 Kjo s'eshte hipotenuza. 150 00:07:39,121 --> 00:07:40,770 Ne nuk do te... 151 00:07:40,770 --> 00:07:43,739 Qellimi s'eshte 30, 60, 90 dhe pse e permenda. 152 00:07:43,739 --> 00:07:46,530 Gjejme funksionet trig. per kende te tjera 153 00:07:46,530 --> 00:07:48,517 Nese dikush ju pyet... 154 00:07:49,149 --> 00:07:52,647 cili eshte sinusi i 30 gradeshit? 155 00:07:53,407 --> 00:07:57,365 Kujtoni 30 eshte kend i ketij trekendeshi 156 00:07:57,407 --> 00:08:00,500 Por kurdo keni kend 30 dhe rast kenddrejte 157 00:08:00,998 --> 00:08:03,453 Te flasim per perkufizime, por sin. i 30 158 00:08:04,335 --> 00:08:08,716 ky eshte 30, qe te perdor kenddrejtin 159 00:08:09,474 --> 00:08:12,757 dhe te mbajme mend "sph knh tpn" 160 00:08:13,147 --> 00:08:16,210 Ta rishkruajme "sph, knh, tpn." 161 00:08:16,800 --> 00:08:21,789 "sinusi na thote" (jo) sph = perballe/hipo 162 00:08:22,148 --> 00:08:25,331 sinusi i 30 eshte kendi perballe, 163 00:08:25,331 --> 00:08:29,754 kendi perballe, pra, 2 permbi hipotenuze 164 00:08:29,754 --> 00:08:32,122 Hipotenuza eshte 4 ketu. 165 00:08:32,122 --> 00:08:35,438 Eshte 2/4, pra 1/2. 166 00:08:35,438 --> 00:08:38,592 Sinusi i 30 gradeve do e shihni = 1/2. 167 00:08:38,592 --> 00:08:43,363 Po kosinusi? 168 00:08:43,363 --> 00:08:46,838 Cili eshte kosinusi i 30 gradeve? 169 00:08:46,838 --> 00:08:50,963 Kthehemi tek "sph knh tpn." 170 00:08:52,124 --> 00:08:54,182 "Knh" na ndihmon per kosinusin. 171 00:08:54,648 --> 00:08:57,302 Kosinusi = brinja ngjitur/hipotenuze. 172 00:08:57,648 --> 00:09:00,438 Per kendin 30 gradet kemi brinjen ngjitur. 173 00:09:00,731 --> 00:09:03,392 Kjo eshte brinja ngjitur. Afer kendit. 174 00:09:03,960 --> 00:09:06,924 S'eshte hipotenuza, por prane hipotenuzes. 175 00:09:06,924 --> 00:09:09,121 Eshte 2 here rrenja e treshit 176 00:09:09,121 --> 00:09:12,739 brinja ngjitur permbi hipotenuzen, permbi 177 00:09:12,739 --> 00:09:16,647 Pjestojme numeruesin dhe emeruesin me 2 178 00:09:16,647 --> 00:09:19,842 rrenja e 2shit permbi 2. 179 00:09:19,842 --> 00:09:22,518 Tani, bejme tangentin. 180 00:09:23,259 --> 00:09:26,608 Tangenti i 30 gradeve, 181 00:09:26,608 --> 00:09:29,907 kthehemi tek "sph knh tpn." 182 00:09:29,907 --> 00:09:31,618 "sph knh tpn" 183 00:09:31,618 --> 00:09:35,532 "tpn" per tg. Brinja perballe asaj ngjitur 184 00:09:36,446 --> 00:09:38,811 tg. i 30 gradeve, se ajo na duhet, tg i 30 185 00:09:38,811 --> 00:09:41,530 tg i 30. Brinja perballe eshte 2 186 00:09:41,530 --> 00:09:45,863 perballe ka 2 dhe ngjitur 2 rrenja e 3 187 00:09:45,863 --> 00:09:48,331 Ngjitur. Eshte ngjitur me te. 188 00:09:48,331 --> 00:09:50,424 Ngjitur, pra, brinja afer. 189 00:09:50,424 --> 00:09:52,501 2 here rrenja e 3shit 190 00:09:52,501 --> 00:09:54,438 kjo eshte...dyshat ikin 191 00:09:54,438 --> 00:09:56,709 1 mbi rrenjen katrore te 3shit 192 00:09:57,494 --> 00:10:00,302 shumezim numerues dhe emerues me rrenj. 3 193 00:10:01,240 --> 00:10:04,333 Kemi rrenjen e 3shit mbi rrenjen e 3shit 194 00:10:04,333 --> 00:10:07,685 kjo eshte sa numeruesi rrenja e treshit 195 00:10:07,908 --> 00:10:11,869 emeruesi del 3 196 00:10:11,907 --> 00:10:15,648 Pra, e beme racional me rrenj. 3 / rrenj.3 197 00:10:15,648 --> 00:10:15,898 Mire. 198 00:10:17,606 --> 00:10:20,647 Perdorim kete trekendesh dhe per 60 grade, 199 00:10:20,647 --> 00:10:22,999 meqe e vizatuam. 200 00:10:22,999 --> 00:10:26,469 sa...sa eshte kosinusi i 60 gradeve? 201 00:10:26,469 --> 00:10:30,147 Dhe shpresoj ta dini tani. 202 00:10:30,147 --> 00:10:33,031 Sinusi eshte perballe / hipotenuze. "Sph" 203 00:10:33,708 --> 00:10:37,091 Per 60 grade, cila eshte brinja perballe? 204 00:10:37,091 --> 00:10:40,498 Cili kend ka perballe 2 rrenja e 3shit? 205 00:10:40,498 --> 00:10:43,739 Pra, brinja perballe eshte 2 rrenja e 3 206 00:10:43,739 --> 00:10:45,680 dhe nga kendi 60 grade mbi ate ngjitur..jo 207 00:10:46,487 --> 00:10:49,300 mbi hipotenuzen, s'dua t'ju ngaterroj. 208 00:10:49,300 --> 00:10:51,517 Pra, mbi hipotenuze 209 00:10:51,517 --> 00:10:54,147 2 rrenja e 3 mbi 4. 4 per hipotenuzen. 210 00:10:54,546 --> 00:11:01,487 Pra, behet rrenja e 3 permbi 2. 211 00:11:01,487 --> 00:11:04,710 Sa eshte cos i 60 gradeve? Cos i 60 212 00:11:04,710 --> 00:11:09,239 "Sph tnh tpn." Cos = ngjit./hipotenuze 213 00:11:09,239 --> 00:11:13,130 ngjitur jane 2 brinjet, ngjitur me 60 . 214 00:11:13,147 --> 00:11:16,907 Pra, eshte 2 mbi hipotenuzen, qe eshte 4. 215 00:11:16,907 --> 00:11:19,895 Kjo eshte 1/2 216 00:11:19,895 --> 00:11:22,831 dhe ne fund, sa eshte tangenti? 217 00:11:22,831 --> 00:11:26,924 Tg i 60 gradeve? 218 00:11:26,924 --> 00:11:31,332 "Sph knh tpn." Tg eshte perballe/ngjitur 219 00:11:31,332 --> 00:11:35,424 perballe 60 gradeve 220 00:11:35,424 --> 00:11:37,739 eshte 2 rrenja e 3shit 221 00:11:37,739 --> 00:11:39,908 2 rrenja e 3shit 222 00:11:39,908 --> 00:11:41,862 dhe ngjitur me te 223 00:11:41,862 --> 00:11:43,468 ngjitur me te eshte 2shi. 224 00:11:43,887 --> 00:11:46,547 Ngjitur 60 gradeve eshte 2shi. 225 00:11:46,547 --> 00:11:49,709 Perballe/ngjitur, 2 rrenja e 2shit mbi 2 226 00:11:49,939 --> 00:11:52,301 qe eshte rrenja e 3shit. 227 00:11:52,770 --> 00:11:54,956 Doja te ... si lidhen keto? 228 00:11:54,956 --> 00:11:58,061 Sinusi i 30 eshte sa kosinusi i 60 gradeve 229 00:11:58,061 --> 00:12:00,769 Cos i 30 eshte sa sinusi i 60 230 00:12:00,769 --> 00:12:03,801 pra, jane te anasjellet e njeri-tjetrit 231 00:12:04,147 --> 00:12:06,711 dhe nese mendoni pak per kete trekendesh 232 00:12:06,711 --> 00:12:08,723 do ta kuptoni pse. 233 00:12:08,723 --> 00:12:10,344 Do te vazhdojme mbi kete teme dhe 234 00:12:10,344 --> 00:12:11,284 do te bejme me praktike ne videot e tjera.