To make it useful for any angles. I need a good explanation for this.
Apr 27, 2016 #1 prashant singh 56 2 To make it useful for any angles. I need a good explanation for this.
Apr 27, 2016 #2 jedishrfu Mentor Insights Author 14,580 8,779 Think about the advantage of having a circle of radius 1. What does the sin and cos of any angle reduce to?
Think about the advantage of having a circle of radius 1. What does the sin and cos of any angle reduce to?