[" If "(2+3i sin theta)/(1-2i sin theta)" is purely imaginary,then "],[cos^(2)theta=]

(3+2i sin theta)/(1-2i sin theta) will be purely imaginary,then find theta

(3+2i sin theta)/(1-2i sin theta) will be purely imaginary,then find theta?

If (1+i cos theta)/(1-2i cos theta) is purely imaginary then theta =

(3+2 i sin theta)/(1-2 i sin theta) will be purely imaginary, if theta is equal to

If the complex number (1-i sin theta)/(1+2 i sin theta) is purely imaginary, then the principal value of theta is

Let A={theta in (-pi /2,pi):(3+2i sin theta )/(1-2 i sin theta ) is purely imaginary } Then the sum of the elements in A is

Let A={theta in (-pi /2,pi):(3+2i sin theta )/(1-2 i sin theta ) is purely imaginary } Then the sum of the elements in A is

Find the real values of theta when (3+2 i sin theta)/(1-2i sin theta) will be purely imaginary.

Let A={theta in (-pi /2,pi):(3+2i sin theta )/(1-2 sin theta ) is purely imaginary } Then the sum of the elements in A is

Let A={theta in (-pi /2,pi):(3+2i sin theta )/(1-2 isin theta ) is purely imaginary } Then the sum of the elements in A is