# How do you find the derivative of #cos (2x)#?

You must utilize the chain rule:

By signing up, you agree to our Terms of Service and Privacy Policy

To find the derivative of cos(2x), you can use the chain rule. The derivative of cos(2x) with respect to x is equal to -2 * sin(2x).

By signing up, you agree to our Terms of Service and Privacy Policy

- 98% accuracy study help
- Covers math, physics, chemistry, biology, and more
- Step-by-step, in-depth guides
- Readily available 24/7