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### Course: Class 11 Math (India) - Hindi > Unit 8

Lesson 8: Derivatives of trigonometric functions- Derivative of sin x (Hindi)
- Derivatives of sin(x) and cos(x)
- Worked example sine and cosine differentiation (Hindi)
- Proving the derivatives of sin(x) and cos(x)
- Derivatives of tan(x), cot(x), sec(x), and csc(x)
- Derivative of sinx, cosx, tan x, e^x and ln x (Hindi)

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# Derivative of sin x (Hindi)

Let's try to prove that derivative of sin x is cos x.