Khan/khan-exercises — Issue #15082: Chain rule 1 - Derivatives of trigonometric functions
Author: KhanBugz
Created: 2012-03-01 04:06:42+00:00
State: open
Labels: firefox, hard, win7

The chain rule examples use polynomials, but each of the problems uses trigonometric functions. Where/when did I learn to take the derivative of trigonometric functions? (I've no problem providing YOU my email address, but no interest in making it public ... as stated in your notice "All provided information will be public."

[chain_rule_1.html?seed=31&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/chain_rule_1.html?seed=31&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/chain_rule_1.html?seed=31&problem=0&debug&activity=%5B%5D)

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