SOLUTION: cos2x-cos4x ----------- -- = sin2x+sin4x a. cot x b. tan x c. sin x d. cos x

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Question 1170447: cos2x-cos4x
-------------- =
sin2x+sin4x
a. cot x
b. tan x
c. sin x
d. cos x
Answer by math_helper(2461) About Me  (Show Source):
You can put this solution on YOUR website!

(b) is correct


I leave it to you to find the proper sequence of identities and manipulations to arrive at tan(x). Think of it as a puzzle.