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IntroVideo-DerivativeOfSineAndCosine

Intro Video: Proving that the derivative of sin(x) is cos(x) and that the derivative of cos(x) is -sin(x).

From  Leah Berman Williams 11 plays 0  

WS-DerivativesOfTrigFunctions

Derivatives of trigonometric functions

From  Leah Berman Williams 4 plays 0  

Intro Video: Derivatives of Trig Functions

Derivatives of trigonometric functions

From  Leah Berman Williams 52 plays 0