Ex 5.2, 8 Differentiate the functions with respect to 𝑥 cos (√𝑥) Let 𝑦 = " cos " (√𝑥) We need to find derivative of 𝑦 𝑤.𝑟.𝑡.𝑥 i.e. 𝑑𝑦/𝑑𝑥 = 𝑑(cos⁡√𝑥 )/𝑑𝑥 = −sin √𝑥 . (𝑑(√𝑥))/𝑑𝑥 = −sin √𝑥 . 1/(2√𝑥) = (−𝐬𝐢𝐧⁡√𝒙)/(𝟐√𝒙)

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Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.

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