Jee Main
Complex Numbers
JEE Main 2024 (Online) 8th April Evening Shift
MCQ+4 / -12024
The sum of all possible values of \(\theta \in[-\pi, 2 \pi]\), for which \(\frac{1+i \cos \theta}{1-2 i \cos \theta}\) is purely imaginary, is equal to :
Jee Main
JEE Main 2024 (Online) 8th April Evening Shift
The sum of all possible values of \(\theta \in[-\pi, 2 \pi]\), for which \(\frac{1+i \cos \theta}{1-2 i \cos \theta}\) is purely imaginary, is equal to :