defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Mathematics Trigonometry Inverse Trigonometric Functions
The value of x satisfying the equation (sin-1x)3 - (cos-1x)3 + (sin-1x)(cos-1x)(sin-1x - cos-1x) = \(\frac{\pi^3}{16}\)
1
cos \(\frac{\pi}{5}\)
2
cos \(\frac{\pi}{4}\)
3
cos \(\frac{\pi}{8}\)
4
cos \(\frac{\pi}{12}\)