SOLUTION: How do I find the period of the function f(x)=cos(1/2)x?

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Question 362483: How do I find the period of the function f(x)=cos(1/2)x?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
If you mean cos(x/2) it's 4pi.
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The period of a trig function f(x) is 2pi radians, or 360 degs.
The period of sin(ax) is 2pi/a radians.