## Mathematical Analysis## Differential Calculus |

## What are the derivatives of trigonometric functions? |

There are also derivatives of the six major trigonometric functions—sine, cosine, cotangent, cosecant, tangent, and secant (for more information on these trigonometric functions, see “Geometry and Trigonometry”). The following lists the formulas for those derivatives (in this case, the functions are written with respect to the variable *u):*