Example 4 (ii) - Chapter 12 Class 11 Limits and Derivatives

Last updated at April 16, 2024 by

Example 4 - Chapter 13 Class 11 Limits and Derivatives - Part 3

Example 4 - Chapter 13 Class 11 Limits and Derivatives - Part 4

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Transcript

Example 4 Evaluate: (ii) lim﷮x→0﷯ tan﷮x﷯﷮x﷯ lim﷮x→0﷯ tan﷮x﷯﷮x﷯ = lim﷮x→0﷯ 1﷮𝑥﷯ × tan x = lim﷮x→0﷯ 1﷮𝑥﷯ × sin﷮x﷯﷮ cos﷮x﷯﷯ = lim﷮x→0﷯ sin﷮x﷯﷮x﷯ × 1﷮ cos﷮𝑥﷯﷯ = 𝐥𝐢𝐦﷮𝐱→𝟎﷯ 𝐬𝐢𝐧﷮𝐱﷯﷮𝐱﷯ × lim﷮x→0﷯ 1﷮cos x﷯ = 1 × lim﷮x→0﷯ 1﷮cos x﷯ = 1 × lim﷮x→0﷯ 1﷮cos x﷯ = lim﷮x→0﷯ 1﷮cos x﷯ Putting x = 0 = 1﷮ cos﷮0﷯﷯ = 1﷮1﷯ = 1

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo