How to plot the graph of y = cos pi x ?
2 Answers
Sep 9, 2015
The plot is as follows
graph{cos(pi*x) [-10, 10, -5, 5]}
Feb 20, 2016
The period of cos kx is 2
Explanation:
For one complete cosine wave:
x: 0 1/2 1 3/2 2
y: 1 0
y repeats when x is increased or decreased by 2.