Friday
August 1, 2014

Homework Help: trig

Posted by tamara on Friday, July 2, 2010 at 4:12pm.

By what fraction of the period of f(x)=10 cos(7 x) has the graph of f(x) been shifted to obtain the graph of g(x)=10 cos(7x- pi/2). how do I approach this and solve for the fraction shift and the domain and range?

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