If the real part of the complex number $z=\frac{3+2 i \cos heta}{1-3 i \cos heta}, heta \in\le

Question

If the real part of the complex number $z=\frac{3+2 i \cos 	heta}{1-3 i \cos 	heta}, 	heta \in\left(0, \frac{\pi}{2}ight)$ is zero, then the value of $\sin ^{2} 3 	heta+\cos ^{2} 	heta$ is equal to

Professor PC Thomas Classes · Answer

(1)\