Q.If 2 cos 3cos 2 1, sin θ − θ + θ − θ + θ − θ + θ − θ + = θ where 0, 2 π < θ < < θ < < θ < < θ < then which of the following statements is/are correct? a. There are two value of θ satisfying the above equation. b. only θ = 600 is satisfied by the above equation. Select the correct answer.
Correct answer: 'b' only