Find the derivative of cos 3x 4

- Find the derivative of cos inverse 4x 3 3x
- Find the 40th derivative of y cos 3x
- Find the 45th derivative of y cos 3x
- Find the nth derivative of sin^4x cos^3x
- Find the derivative of 4x sin x 3x 7 cos x
- Find the derivative of 3 sin x 4 cos x 3x
- Find the derivative of a trigonometric function
- Derivative of cos