Trigonometry - Graphing trig functions using a calculator

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Thanks man, actually helped me a lott!

jamesboyd
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Can you tell me how do you graph (cos x)^2

nisarg.thakar
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Why did you have to divide (-pi/2) by 4 for the phase shift on the last example?

charlesc
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Why won't my it automatically transfer -4pi to decimal form

omarmoumani