defence exam SSB Head Constable (Communication) 2023 Mock Test Mathematics Trigonometry Inverse Trigonometric Functions
The value of the expression 2 sec–1 2 + sin–1\(\left(\frac{1}{2}\right)\) is
1
\(\frac{\pi}{6}\)
2
\(\frac{5\pi}{6}\)
3
\(\frac{7\pi}{6}\)
4
1