Ex 7.3, 18 - Integrate cos 2x + 2 sin2 x / cos2 x dx - Ex 7.3

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Ex 7.3, 18 Integrate the function (cosโก2๐‘ฅ + 2 sin^2โก๐‘ฅ)/cos^2โก๐‘ฅ ๐‘‘๐‘ฅ โˆซ1โ–’(cosโก2๐‘ฅ + 2 sin^2โก๐‘ฅ)/cos^2โก๐‘ฅ ๐‘‘๐‘ฅ =โˆซ1โ–’(๐Ÿ โˆ’ ๐Ÿ ใ€–๐’”๐’Š๐’ใ€—^๐Ÿโก๐’™ + 2 sin^2โก๐‘ฅ)/cos^2โก๐‘ฅ ๐‘‘๐‘ฅ =โˆซ1โ–’1/cos^2โก๐‘ฅ ๐‘‘๐‘ฅ =โˆซ1โ–’sec^2โก๐‘ฅ ๐‘‘๐‘ฅ =๐ญ๐š๐งโก๐’™+๐‘ช (cosโก2๐‘ฅ=1โˆ’2 sin^2โก๐‘ฅ)

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.