Teaching UP B.Ed (Paper 1 & 2) Mock Test 2025 Mathematics Trigonometry Inverse Trigonometric Functions
If \(f'(x) \ =\ sin^{-1}[2(\frac{2tanx\ -\ 2tan^3x}{sec^4x})]\), \(\frac{-\pi}{2}\ <\ x\ <\ \frac{\pi}{2}\) and f(1) = 2, then the value of f(2) will be
1
-8
2
4
3
8
4
-4