Unit 5 Lesson 1 HW with Key

— sin4x = cos x — sin x cos2x = cos2x coex (sin x + cos = sin2x + cos x (1 + tan = sec2x 9. tan x cosx — ... cos3x — sin x — sin x cos x log10(cot x) = logw(sec x) — cot r 48. CSC x x + 1 ... sin 4 x cos2 xsin2 x cosx cot 2 x cos cos2 xsin2 x x sin 2 x + cos sin 2 x— cos2 x ................
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