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20-10-2018
Mathematics

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Find a cofunction with the same value as the given expression.

cos([4pi/3]+x)

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cchangcatherinp00a4b cchangcatherinp00a4b

21-10-2018

The cofunction of cosine is sine. 90 degrees or pi/2 subtracted by 4pi/3 would be -5pi/6, therefore the answer is sine([-5pi/6] + x)

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