Question

If y = cos2 x then dy/dx=​

Answer 1

Answer:

Hey mate ❣️✌️

y=cos2x

dy/dx=-sin2xd/dx2x

dy/dx=-sin2x.2

dy/dx=-2sin2x

This is your answer ❣️❣️✌️✌️

Answer 2

y = cos2x

differentiating with respect to X we get

dy/dx = -2sin2x