Derivatives of Trig Functions, Basic Proofs, tan(x), cot(x), sec(x), cosec(x), Examples - Calculus

This video explains how to evaluate the derivatives of trigonometric or circular functions using the product and quotient rules. You can memorise these derivatives and add them to your formula sheet. Trig identities are also applied to simplify the derivatives. Worked examples (PDF) with solutions are provided. The derivatives of inverse trig functions are deferred as they require the chain rule.

📌 Worksheets are provided in PDF format to further improve your understanding:

- Questions Worksheet: https://drive.google.com/file/d/1-IfxXvhpMp43qxNG-21ZtIPqO4WMuvOk/view?usp=drive_link
- Answers: https://drive.google.com/file/d/1nchFi76DuCzBIx0TWesDVjlUz0qvNG7o/view?usp=drive_link

📌 Chapters on What You’ll Learn:

00:00 Derivative of tan(x)
01:05 Derivative of cot(x)
02:17 Derivative of sec(x)
03:34 Derivative of cosec(x)
04:47 Worked example

📌 Perfect for calculus students and exam preparation, this tutorial uses plenty of examples and easy-to-follow explanations.

👉 Make sure to check out our full Calculus 1 and 2 course playlist, which covers differentiation, integration, sequences and series and their applications!

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