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 |