February 27, 2017

Homework Help: trig function

Posted by Anonymous on Thursday, May 17, 2012 at 2:50pm.

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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