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Chapter 5 Class 12 Continuity and Differentiability
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Question 1 - Examples - Chapter 5 Class 12 Continuity and Differentiability

Last updated at August 13, 2026 by Teachoo

Example 22 - Find derivative of tan (2x + 3) - Chapter 5 Class 12

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Question 1 Find the derivative of tan (2x + 3). Let y = tan (2x + 3) We need to find derivative of y, i.e. 𝑑𝑦/𝑑𝑥 = (𝑑 tan⁡〖(2𝑥+3)〗)/𝑑𝑥 = sec2(2x + 3) × (𝑑(2𝑥 + 3))/𝑑𝑥 = sec2 (2x + 3) × 2 = 2 sec2 (2x + 3) (As (tan x)’ = sec2 x)

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