Sketch y=2cos(X-(pi/4)) between X=0 and X=2pi
Last edited by mr fantastic; Mar 10th 2011 at 02:05 PM. Reason: Re-titled, fixed ambiguities in post.
Follow Math Help Forum on Facebook and Google+
Originally Posted by mwin002 Sketch y=2cos(X-(pi/4)) between X=0 and X=2pi start by sketching ... $\displaystyle y = \cos{x}$ adjust the amplitude ... $\displaystyle y = 2\cos{x}$ perform the horizontal phase shift ... $\displaystyle y = 2\cos\left(x - \frac{\pi}{4}\right)$
View Tag Cloud