If $\cos 6θ = \sin 3θ$, then the value of θ is:
Answer & explanation
Correct answer: option 3
cos 6θ = sin 3θ
We know that Cos 60 = Sin 30 = 1/2 and Cos 30 = Sin 60 = √3/2
Thus most appropriate is Cos 60 = Sin 30
The correct answer is Option (3) → 10°