Question

A value of for which $\frac{2+3isin\theta}{1-2isin\theta}$ is purely imaginary, is:
(a) $sin^{-1}\bigg \lgroup \frac{\sqrt{3}}{4}\bigg \rgroup$
(b) $sin^{-1}\bigg \lgroup \frac{1}{\sqrt{3}}\bigg \rgroup$
(c) $\frac{\pi}{3}$
(d) $\frac{\pi}{6}$

Answer 1

answer is c).as it represents the question

Answer 2

c) as it represents the question

Hope it helps.

Pls mark this brainliest