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Ex 7.3, 23 - Chapter 7 Class 12 Integrals
Last updated at May 29, 2018 by Teachoo
Transcript
Ex 7.3, 23 2 2 2 2 is equal to (A)tan x + cot x + C (B) tan x + cosec x + C (C) tan x + cot x + C (D) tan x + sec x + C sin 2 cos 2 sin 2 cos 2 = sin 2 sin 2 cos 2 cos 2 sin 2 cos 2 = 1 cos 2 1 sin 2 = sec 2 2 = tan cot + = tan + cot + Hence correct answer is (A).
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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.