Find All Values of X in the Interval [0°, 360°)

Multiple Choice

Find all values of x in the interval [0°, 360°) that satisfy the equation. Round approximate answers to the nearest tenth of a
degree.
- = cos x

A) {70.5°, 289.5°}
B) {60°, 120°}
C) {70.5°, 109.5°}
D) {60°, 300°}