Write the given expression as a function that involves only sin θ, cos θ, or tan θ.

cos(θ + 7π)


asked Feb 19, 2013 in Calculus Answers by anonymous

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1 Answer

kosine (x+7pi)...

sine & kosine +- 2pi ...same

so kosine(x+7pi)=kosine(x+1 pi)

answered Feb 20, 2013 by anonymous
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