Ex 7.3, 13 - Chapter 7 Class 12 Integrals
Last updated at Dec. 16, 2024 by Teachoo
Last updated at Dec. 16, 2024 by Teachoo
Ex 7.3, 13 Integrate the function cosโกใ2๐ฅ โ cosโก2๐ผ ใ/cosโกใ๐ฅ โ cosโก๐ผ ใ โซ1โใcosโกใ2๐ฅ โ cosโก2๐ผ ใ/cosโกใ๐ฅ โ cosโก๐ผ ใ " " ๐๐ฅใ =โซ1โ((2 cos^2โกใ๐ฅ โ 1ใ ) โ (2 cos^2โกใ๐ผ โ 1ใ ))/(cosโก๐ฅ โ cosโก๐ผ ) ๐๐ฅ =โซ1โ(2 cos^2โกใ๐ฅ โ 1ใ โ 2 cos^2โกใ๐ผ + 1ใ)/(cosโก๐ฅ โ cosโก๐ผ ) ๐๐ฅ =โซ1โ(2 cos^2โก๐ฅ โ 2 cos^2โก๐ผ + 1 โ 1)/(cosโก๐ฅ โ cosโก๐ผ ) ๐๐ฅ =โซ1โ2(cos^2โก๐ฅ โ cos^2โก๐ผ )/(cosโก๐ฅ โ cosโก๐ผ ) ๐๐ฅ =2โซ1โ(cos^2โก๐ฅ โ cos^2โก๐ผ)/(cosโก๐ฅ โ cosโก๐ผ ) ๐๐ฅ =2โซ1โ((๐๐๐ โก๐ฅ โ ๐๐๐ โก๐ผ ) (๐๐๐ โก๐ฅ + ๐๐๐ โก๐ผ ))/((๐๐๐ โก๐ฅ โ ๐๐๐ โก๐ผ ) ) ๐๐ฅ =2โซ1โ(๐๐๐ โก๐ฅ+๐๐๐ โก๐ผ ) ๐๐ฅ =2(โซ1โ๐๐๐ โก๐ฅ ๐๐ฅ+โซ1โ๐๐๐ โก๐ผ ๐๐ฅ) =2(โซ1โ๐๐๐ โก๐ฅ ๐๐ฅ+๐๐๐ โก๐ผ โซ1โ1. ๐๐ฅ) =๐(๐๐๐โก๐+๐โก๐๐๐ ๐ถ)" +" ๐ช (๐๐๐ โก2๐=2 ใ๐๐๐ ใ^2โก๐โ1)
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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 and Computer Science at Teachoo