【Algebra 2/Precalc】Trig Basic Functions 03

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trig angle sum/diff identities;
wow!
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Sum/Diff Identities 9:14
1:34 sin
2:48 cos
3:32 tan
5:13 sin mnemonic
5:46 cos mnemonic
6:45 tan mnemonic
Problem Set
13:27 problem 01 -> 19:54
21:16 problem 02 (route A) -> 27:50
└ 28:13 problem 02 (route B) -> 30:31
31:30 problem 03 -> 35:53
36:18 problem 04 (route A) -> 38:05
└ 38:28 problem 04 (route B) -> 42:13
43:36 problem 05 (route A) -> 1:06:03
└ 51:53 problem 05 (route B) -> 1:02:06
1:06:57 problem 06 (route A) -> 1:11:51
└ 1:12:20 problem 06 (route B) -> 1:13:40
1:14:36 problem 07 -> 1:21:18
1:22:12 problem 08 (route A) -> 1:22:51
└ 1:23:04 problem 08 (route B) -> 1:25:31
1:27:19 problem 09 -> 1:32:34
1:33:19 problem 10 (route A) -> 1:40:21 (not rationalized, whoops)
└ 1:56:00 problem 10 (route B) -> 1:59:53 (first try on this route: wrong setup at 1:41:45)
2:02:20 problem 11 -> 2:06:00
2:06:25 problem 12 -> 2:10:02
2:10:40 problem 13 (route A) -> 2:14:23
└ 2:14:43 problem 13 (route B) -> 2:21:30
Going Backwards
2:23:00 problem 14 -> 2:25:08

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