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Example 23 - Differentiate sin (cos (x^2)) - Teachoo - Examples

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Question 2 Differentiate sin ⁑(cos ⁑(π‘₯2)) with respect to π‘₯ .Let 𝑦 = " " sin ⁑(cos ⁑π‘₯2) We need to find derivative of 𝑦 𝑀.π‘Ÿ.𝑑.π‘₯ i.e. 𝑦^β€² = (𝑠𝑖𝑛⁑〖 (cos⁑〖π‘₯^2 γ€— )γ€— ) 𝑑𝑦/𝑑π‘₯ = 𝑑(𝑠𝑖𝑛⁑〖 (cos⁑〖π‘₯^2 γ€— )γ€— )/𝑑π‘₯ = cos (cos⁑〖π‘₯^2 γ€— ) . 𝑑(cos⁑〖π‘₯^2 γ€— )/𝑑π‘₯ = cos (cos⁑〖π‘₯^2 γ€— ). (βˆ’sin⁑〖π‘₯^2 γ€— ) . 𝑑(π‘₯^2 )/𝑑π‘₯ = cos (cos⁑〖π‘₯^2 γ€— ). (βˆ’sin⁑〖π‘₯^2 γ€— ) . 2π‘₯ = βˆ’ 2x sin 𝒙^𝟐. cos (cos 𝒙^𝟐)

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.