Ex 7.3, 12 - Integrate sin2 x / 1 + cos x - Class 12 CBSE - Ex 7.3

  1. Chapter 7 Class 12 Integrals
  2. Serial order wise
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Ex 7.3, 12 (๐‘ ๐‘–๐‘›2 ๐‘ฅ)/(1 + cosโก๐‘ฅ ) โˆซ1โ–’(๐‘ ๐‘–๐‘›2 ๐‘ฅ)/(1 + cosโก๐‘ฅ ) ๐‘‘๐‘ฅ=โˆซ1โ–’(1 โˆ’ cos^2โก๐‘ฅ)/(1 + cosโก๐‘ฅ ) ๐‘‘๐‘ฅ =โˆซ1โ–’((1)^2 โˆ’ cos^2โก๐‘ฅ)/(1 + cosโก๐‘ฅ ) ๐‘‘๐‘ฅ =โˆซ1โ–’(1 โˆ’ cosโก๐‘ฅ )(1 + cosโก๐‘ฅ )/(1 + cosโก๐‘ฅ ) ๐‘‘๐‘ฅ =โˆซ1โ–’(1โˆ’cosโก๐‘ฅ ) ๐‘‘๐‘ฅ =โˆซ1โ–’1 ๐‘‘๐‘ฅโˆ’โˆซ1โ–’cosโก๐‘ฅ ๐‘‘๐‘ฅ =๐’™โˆ’๐’”๐’Š๐’โก๐’™+๐‘ช

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