Ts Eamcet
Complex Numbers
TS EAMCET 2023 (Online) 14th May Evening Shift
MCQ+1 / -02023
If $z=\frac{3+2 i \cos \theta}{1-2 i \sin \theta}$ is a purely imaginary number, then
\(\sin ^2 \theta+\cos ^2 3 \theta=\)
Ts Eamcet
TS EAMCET 2023 (Online) 14th May Evening Shift
If $z=\frac{3+2 i \cos \theta}{1-2 i \sin \theta}$ is a purely imaginary number, then
\(\sin ^2 \theta+\cos ^2 3 \theta=\)