How many values of x with 0<=x<=990 satisfy sin (x)= -0.31?

I don't know how to solve these types of problems. I think it has something to do with the unit circle, but I'm not sure.

Also, sorry if you do not understand my problem, as I couldn't use LaTeX for it.

Thanks!

Guest Aug 5, 2018

edited by
Guest
Aug 5, 2018

edited by Guest Aug 5, 2018

edited by Guest Aug 5, 2018