Question

Please help me on this. Problem #12. Look at the picture below.

Answer 1

@satellite73

Answer 2

Do you know how to do this problem?

Answer 3

When given the x coordinate plug into the y=arccosx equation and solve. When given the y coordinate plug into the equation and cos both sides to get x by itself. You should get:
(-1,pi), (-1/2,(2π)/3), ( (√3)/2,π/6)

Answer 4

Oh alrighty. Thanks!