Ex 7.3, 18 Integrate the function (cos⁡2𝑥 + 2 sin^2⁡𝑥)/cos^2⁡𝑥 𝑑𝑥 ∫1▒(cos⁡2𝑥 + 2 sin^2⁡𝑥)/cos^2⁡𝑥 𝑑𝑥 =∫1▒(𝟏 − 𝟐 〖𝒔𝒊𝒏〗^𝟐⁡𝒙 + 2 sin^2⁡𝑥)/cos^2⁡𝑥 𝑑𝑥 =∫1▒1/cos^2⁡𝑥 𝑑𝑥 =∫1▒sec^2⁡𝑥 𝑑𝑥 =𝐭𝐚𝐧⁡𝒙+𝑪 (cos⁡2𝑥=1−2 sin^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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