## Trig Function Derivatives

## Handy Table of Trig Function Derivatives

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$\dfrac{d}{dx}\sin x = \cos x$ | The derivative of sin x is cos x. |

$\dfrac{d}{dx}\cos x = -\sin x$ | The derivative of cos x is –sin x. |

$\dfrac{d}{dx}\tan x = \sec^2x$ | The derivative of tan x is (sec x)^2. |

$\dfrac{d}{dx}\csc x = -\csc x \cot x$ | The derivative of csc x is –csc x cot x. |

$\dfrac{d}{dx}\sec x = \sec x \tan x$ | The derivative of sec x is sec x tan x. |

$\dfrac{d}{dx}\cot x = -\csc^2x$ | The derivative of cot x is –(csc x)^2. |