Jee Main
Trigonometric Functions And Equations
JEE Main 2023 (Online) 11th April Morning Shift
MCQ+4 / -12023
The number of elements in the set
\(S=\left\{\theta \in[0,2 \pi]: 3 \cos ^{4} \theta-5 \cos ^{2} \theta-2 \sin ^{6} \theta+2=0\right\}\) is :