defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Mathematics Differential Calculus Applications of Derivatives
If \(f(x) = \sin x - \frac{x}{2}\) is increasing function,
1
\(0 < x < \frac{\pi }{3}\)
2
\( - \frac{\pi }{3} < x < 0\)
3
\(- \frac{\pi }{3} < x < \frac{\pi }{3}\)
4
\(x = \frac{\pi }{2}\)