Question

Which of the following does not have a period of PIE?

a) f(X) = sin(1/2x)
b) f(x) = |sinx|
c) f(X) = sin^2x
d) f(x) = tanx
e) f(x) = tan^2x

Answer 1

f(x)=sin(x) is period of 2pi

but when i have f(x) = |sin(x)|, we have period of Pi