Question

I'm learning about sin, cos, and tan but I don't know how to use my calculator. My problem right now is -1.8=cos x and I need to solve for x but I don’t know what to do in my calculator.

Answer 1

can you type out the entire equation? i'll do my best to solve it. don't screen shot the question tho because for some reason my laptop won't let me see them.

Explanation:

Answer 2

there is no solution for x

Explanation:

BTW you can use math.way