CUET and UG exam BITSAT Mock Test Series 2025 Mathematics Trigonometry Inverse Trigonometric Functions
The principal value of \(\tan^{-1}\left (\cot \dfrac {3\pi}{4}\right)\) is :
1
\(-\dfrac {3\pi}{4}\)
2
\(\dfrac {3\pi}{4}\)
3
\(-\dfrac {\pi}{4}\)
4
\(\dfrac {\pi}{4}\)