Ex 7.3, 18 - Chapter 7 Class 12 Integrals
Last updated at Dec. 20, 2019 by Teachoo
Transcript
Ex 7.3, 18 Integrate the function (cosโก2๐ฅ + 2 sin^2โก๐ฅ)/cos^2โก๐ฅ ๐๐ฅ โซ1โ(cosโก2๐ฅ + 2 sin^2โก๐ฅ)/cos^2โก๐ฅ ๐๐ฅ =โซ1โ(๐ โ ๐ ใ๐๐๐ใ^๐โก๐ + 2 sin^2โก๐ฅ)/cos^2โก๐ฅ ๐๐ฅ =โซ1โ1/cos^2โก๐ฅ ๐๐ฅ =โซ1โsec^2โก๐ฅ ๐๐ฅ =๐ญ๐๐งโก๐+๐ช (cosโก2๐ฅ=1โ2 sin^2โก๐ฅ)
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