Derivative of sin(x) and cos(x), PROOF
6:48
derivatives of tan(x) and cot(x), quotient rule, cofunction identities
34:39
Derivative of sin x and cos x
11:54
The most important limit in Calculus // Geometric Proof & Applications
11:59
Why is the derivative of e^x equal to e^x?
9:39
Proof: Derivative of Sin is Cos (Version 2)
19:53
Derivatives of ALL trig functions (proofs!)
6:38:13
100 calculus derivatives (in one take)
22:44