SOLUTION: Consider the graphs of y=sin x and y=cos x. Determine 2 ways in which graph of cos function can be expressed as horizontal translation of the sin function. you can sketch these gra

Question 1162459: Consider the graphs of y=sin x and y=cos x. Determine 2 ways in which graph of cos function can be expressed as horizontal translation of the sin function. you can sketch these graphs.
Answer by Edwin McCravy(20060) (Show Source): You can put this solution on YOUR website!



The red curve is of y = cos(x), the purple curve is of y = sin(x).

If we shift the purple (sine) curve left by π/2 units, it will
coincide exactly with the red (cosine) curve.

That is to say 




If we shift the purple (sine) curve right by 3π/2 units, it will also
coincide exactly with the red (cosine) curve.

That is to say 


  

Edwin

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