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Intro Video: Derivatives of Sine and Cosine

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 19 plays 0  

Intro Video: The Squeeze Theorem

Short video on the Squeeze Theorem

From  Leah Berman Williams 16 plays 0  

Intro Video: More Limits at Infinity

tricky limits at infinity

From  Leah Berman Williams 17 plays 0