Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Trigonometry Inverse Trigonometric Functions
What will be the value of \(\sin^{-1} \left( 2 \sin \frac{\pi}{2} \right)\) = ?
1
90
2
45
3
60
4
Does not exist
5
None of the above