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

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Ex 7.3, 12 ( 2 )/(1 + cos ) 1 ( 2 )/(1 + cos ) = 1 (1 cos^2 )/(1 + cos ) = 1 ((1)^2 cos^2 )/(1 + cos ) = 1 (1 cos )(1 + cos )/(1 + cos ) = 1 (1 cos ) = 1 1 1 cos = +

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