Derivatives of Elementary Functions, cos(x), sin(x), e^x, ln(x) - AP Calculus AB/BC

This AP Calculus AB/BC video derives the derivative of the elementary functions cos(x), sin(x), e^x and ln(x) using the definition of the derivative.

This video is part of Unit 2 of AP Calculus AB/BC on Differentiation - Definition and Fundamental Properties.

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