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### Course: Calculus, all content (2017 edition) > Unit 2

Lesson 26: Trigonometric functions differentiation- Derivatives of tan(x) and cot(x)
- Derivatives of sec(x) and csc(x)
- Derivatives of tan(x), cot(x), sec(x), and csc(x)
- Worked example: Derivative of sec(3π/2-x) using the chain rule
- Differentiate trigonometric functions
- Derivative of tan(x) (old)
- Differentiating trigonometric functions review

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# Derivatives of tan(x), cot(x), sec(x), and csc(x)

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