February 27, 2017

Homework Help: trig and combine function

Posted by thomas on Wednesday, May 16, 2012 at 6:13pm.

Suppose f(x)=cos x - sin x and g(x)=cos x + sin x. Explain why the graph of (fxg)(x) is equivalent to the graph of h(x)=cos x after it has been horizontally compressed by a factor of 1/2. Thanks so much...

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