defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Mathematics Limit and Continuity Evaluation of Limits
What is \(\displaystyle\lim_{h \rightarrow 0} \frac{\sin^2(x+h)−\sin^2x}{h}\) equal to ?
1
sin2 x
2
cos2 x
3
sin 2x
4
cos 2x