An equation for ALL solutions of

Question

sin θ=0 and cos θ=-1
Please explain in-depth explanations of this I am really having trouble understanding

Answer 1

Been there
https://www.jiskha.com/questions/1806400/sin-0-and-cos-1-Please-explain-in-depth-I-have-no-idea-how-this-works
you can add or subtract an infinite number of 2 pi rads or 360 degrees to the original 180 or pi