Teaching AWES Army Public School TGT Mock Test 2024 Mathematics Trigonometry Inverse Trigonometric Functions
Which of the following is the principal value branch of cosec−1x ?
1
\(\left(\frac{−\pi}{2},\frac{\pi}{2}\right)\)
2
[0, π] − \(\left\{\frac{\pi}{2}\right\}\)
3
\(\left[\frac{−\pi}{2},\frac{\pi}{2}\right]\)
4
\(\left[\frac{−\pi}{2},\frac{\pi}{2}\right]\) − {0}