Posted by Daisy on Sunday, April 6, 2008 at 10:19pm.
how do u state the period of a function?
for ex.
f(x)=sin((1/2)x)

PreCalculus  Reiny, Sunday, April 6, 2008 at 10:40pm
for y = sin kx, the period is 2pi/k radians or 360/k º
so your period is 360/1/2) = 720º
BTW, the same rule applies to the cosine function, but for the tangent function the period is pi/k radians or 180/kº
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