How do you simplify #f(theta)=cot4theta-sin8theta-2tan2theta# to trigonometric functions of a unit #theta#?

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Aug 14, 2017

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See below

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#f(theta) = cot4theta - sin8theta - 2tan2theta -= (cos4theta)/(sin4theta) - 2sin4thetacos4theta - (4tantheta)/(1-tan^2theta)#

Exercise:

Finish writing #f(theta)# in terms of a unit #theta# using the expansions of #sin4theta# and #cos4theta# given here: https://socratic.org/questions/how-do-you-simplify-f-theta-sec4theta-tan4theta-to-trigonometric-functions-of-a-#463667

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