A value of `theta` for which `(2+3isintheta)/(1-2isintheta)` is purely imaginary, is

A Value of theta for which frac{2+3isintheta}{1-2isintheta} is purely imaginary is

A value of for which (2+3isintheta)/(1-2isintheta) purely imaginary, is : (1) pi/3 (2) pi/6 (3) sin^(-1)((sqrt(3))/4) (4) sin^(-1)(1/(sqrt(3)))

If (1-sintheta)/(1+2isintheta) is purely imaginary then theta=

Find all values of theta for which (1-isintheta)/(1+icostheta) is purely real.

Find the real values of theta , such that (3 + 2i sin theta)/(1 - 2i sin theta) is purely Imaginary

Find real theta such that (3+2isintheta)/(1-2isintheta) is purely real.

Find real theta such that (3+2isintheta)/(1-2isintheta) is purely real.