document.write( "Question 362483: How do I find the period of the function f(x)=cos(1/2)x? \n" ); document.write( "
Algebra.Com's Answer #258362 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
If you mean cos(x/2) it's 4pi.
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\n" ); document.write( "The period of a trig function f(x) is 2pi radians, or 360 degs.
\n" ); document.write( "The period of sin(ax) is 2pi/a radians.
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