### Deriving the Derivative Formulas for Tangent, Cotangent, Secant, Cosecant

Deriving the Derivative Formulas for Tangent, Cotangent, Secant, Cosecant. Many people memorize these formula but do not really understand where they come from. I show how you just use the derivative formulas for sine and cosine along with the quotient rule and chain rule to derive the rest!

Length:
09:14