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OpenStudy (anonymous):
is 8cos(3x-pi/3) if x=pi/6 exact answer -4squareroot3? (sorry idk how to make the symbols
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OpenStudy (mertsj):
Well if x = pi/6 then 3x is pi/2 pi/2-pi/3=pi/6 cos(pi/6)= sqrt3/2 8cos (pi/6)=4sqrt3
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