Overview
The sine and cosine functions are used to describe periodic phenomena such as sound, temperature and tides. Trying to differentiate these functions leaves us with two limits to investigate further.
Lecture Video and Notes
Video Excerpts
Clip 1: Derivative of sin(x), Algebraic Proof
Recitation Video
Derivatives of Sine and Cosine
Worked Example
Geometric Derivatives of Sine and Cosine
Use the mathlet below to complete the worked example.