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Chapter 7 Class 12 Integrals
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Ex 7.3, 17 - Integrate sin3 x + cos 3 x / sin2 x cos2 x - Ex 7.3

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Ex 7.3, 17 sin 3 + cos 3 sin 2 cos 2 sin 3 + cos 3 sin 2 cos 2 = sin 3 sin 2 cos 2 + cos 3 sin 2 cos 2 = sin cos 2 + cos sin 2 = sin . 1 cos + cos . 1 sin = tan . sec + cot . cosec = sec tan + cot cosec = sec + + = +

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