Question

I want to know how to use trigonometric functions (an example would be helpful), and what I have to import to use them. Are they in math.h with things like pow() and sqrt()?

Answer 1

You just want to use things like sin() cos() and such? If so, you don’t even need to import math.h as long has you have: #import <Foundation/Foundation.h> in your header file. You can just do something like double result = cos(12);