Problem 1
The period of \(\cos 3 x\) is \(x=\ldots \ldots\)
Problem 8
The period of a constant function is - \(\ldots\)
Problem 11
If \(f(x)=\left\\{\begin{array}{cc}-x_{1} & -\pi
Problem 22
Period of \(|\sin t|\) is
Problem 30
The root mean square value of \(f(t)=3 \sin 2 t+4\) cos \(2 t\) over the range \(0 \leq t \leq \pi\) is.....
Problem 36
Fourier series of \(f(x)=\cos ^{4} x\) in \((0,2 \pi)\) is