Chapter 19, Problem 8P

A half-wave rectifier can be characterized by

$C_1=\left[\frac{1}{\pi }+\frac{1}{2}\sin t-\frac{2}{3\pi }\cos 2t-\frac{2}{15\pi }\cos 4t-\frac{2}{35\pi }\cos 6t-\cdots \right]$

where $C_1$ is the amplitude of the wave. Plot the first four terms along with the summation.