Ex 7.3, 18 - Chapter 7 Class 12 Integrals
Last updated at Dec. 16, 2024 by Teachoo
Integration using trigo identities - 2x formulae
Integration using trigo identities - 2x formulae
Last updated at Dec. 16, 2024 by Teachoo
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)