SOLUTION: Given f(x)=cos5x+sin4x, find the exact value of f(pi sign/3).

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Question 574406: Given f(x)=cos5x+sin4x, find the exact value of f(pi sign/3).
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Given f(x)=cos5x+sin4x, find the exact value of f(pi sign/3).
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If you mean f(pi/3) radians:
= 0.5 + -sqrt(3)/2
= %281+-+sqrt%283%29%29%2F2