- Solve the following trigonometric equation, using exact values, on the interval provided. Show full work using CAST rule and angles sketches. Your solutions must be expressed in radians.
2sin^2 x - 3cos x - 3 = 0
0 <= x <= 2pi
[5 marks
2sin^2 x - 3cos x - 3 = 0
0 <= x <= 2pi
[5 marks