Ex 7.1, 2 Find anti derivative of cos⁡3𝑥 We know that 〖 (sin⁡3𝑥 )〗^′=3 cos⁡3𝑥 1/3 (sin⁡3𝑥 )^′=cos⁡3𝑥 cos⁡3𝑥=1/3 (sin⁡3𝑥 )^′ cos⁡3𝑥=(1/3 sin⁡3𝑥 )^′ ∴ Antiderivate of 𝑐𝑜𝑠⁡3𝑥=𝟏/𝟑 𝒔𝒊𝒏⁡𝟑𝒙

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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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