Mathematics, 14.05.2021 06:50 em387p3s1zr
Which of the following are identities? Check all that apply. A. 1-tan^2 x/2tan x = 1/tan2x B. (Sing-cosx)^2 = 1 + sin2x C. Sin8x = 2sin 4xcos4x D. Sin x + sin5x/ cosx + cos5x
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Which of the following are identities? Check all that apply.
A. 1-tan^2 x/2tan x = 1/tan2x B. (Sing...
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