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Graphing Trig Functions

Q: How do I graph trigonometry functions?

A: Always picture the regular graphs of y=sin(x) and y=cos(x) and then apply each of the transformations to those original graphs.

y=sin(x)



y=cos(x)

The amplitude of each graph is 1, and the period is 2\pi.

The general equation for a sine graph is:

y=Asin(B(x-C)) + D