Question

The graph below can be used to help solve which of the following trigonometric inequalities over the interval 0<=pi<=2pi radians?

a. sin(x)-1<=cos(2x)-2
b. sin(x)-1<=cos(2x)+2]
c. sin(2x)-1<=cos(2x)-2
d. sin(2x)-1<=cos(2x)+2

Answer 1

its C

Explanation:

sin(2x)-1 <=cos(2x)-2

whoever said it was wrong is looking at the wrong question.