If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content
AP Calc: FUN‑3 (EU), FUN‑3.A (LO), FUN‑3.A.4 (EK)
​Proving that the derivative of sin(x) is cos(x) and that the derivative of cos(x) is -sin(x).
Sort by:
AP® is a registered trademark of the College Board, which has not reviewed this resource.