1. A graph used to find the solutions to the trigonometric equation sin 2x = 0.5 is shown below.

What are the coordinates of A, B, C and D? Give the answers in degrees.

2. A graph used to find the solutions to the trigonometric equation cos(x − π/6) = 0 is shown below.

What are the coordinates of P and Q? Give the answers in radians.

Solve the following trigonometric equations for 0° ≤ x ≤ 360°. Give answers in degrees:

3
sin x = 0
4
cos 2x = 1
5
sin x = 0.6
6
2cos(x + 30°) = 1

Solve the following trigonometric equations for 0 ≤ x ≤ 2π. Give answers in radians:

7
cos x = − 0.5
8
sin 2x = 0
9
cos x = -0.9
10
4sin(x − 1) = 3