Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Trigonometry Inverse Trigonometric Functions
The number of real solutions of the equation \(\rm\sqrt{1+\cos 2x}=\sqrt{2}\) cos−1(cos x) in \(\left[\frac{\pi}{2},\pi\right]\) is
1
0
2
1
3
2
4
More than one of the above
5
None of the above