Question: use a half - angle identity to find the exact value of each experience 10) tan 150 9) cos 120 11) sin 120 12) sin

use a half - angle identity to find the exact value of each experience

use a half - angle identity to find the exact value of

10) tan 150 9) cos 120 11) sin 120 12) sin 150 15 13) cos 0 = - and 270

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