# Pre-Calculus

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how do u state the period of a function?
for ex.
f(x)=sin((1/2)x)

• Pre-Calculus -

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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