Question

If 5θ and 4θ are acute angles satisfying sin 5θ = cos 4θ, then 2 sin 3θ − $\sqrt{3}\tan 3\theta$ is equal to

(a) 1
(b) 0
(c) −1
(d) $1+\sqrt{3}$

Answer 1

We are given that and are acute angles satisfying the following condition

.We are asked to find

Where and are acute angles

Now we have to find:

Hence the correct option is