Ex 7.3, 1 - Integrate sin2 (2x + 5) - Chapter 7 Class 12 - Integration using trigo identities - 2x formulae

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  1. Chapter 7 Class 12 Integrals
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Ex 7.3, 1 sin2 (2𝑥 + 5) ﷮﷮sin2 2𝑥 + 5﷯﷯ 𝑑𝑥 = ﷮﷮ 1 − 𝑐𝑜𝑠 2﷮ 2𝑥 − 5﷯﷯﷮2﷯﷯ 𝑑𝑥 = 1﷮2﷯ ﷮﷮1− cos﷮ 4𝑥+10﷯﷯﷯ 𝑑𝑥 = 1﷮2﷯ ﷮﷮1﷯ 𝑑𝑥− ﷮﷮ cos﷮ 4𝑥+10﷯﷯﷯𝑑𝑥﷯ = 1﷮2﷯ 𝑥− sin﷮ 4𝑥 + 10﷯﷯﷮4﷯ +𝐶﷯ = 𝒙﷮𝟐﷯ − 𝟏﷮𝟖﷯ 𝒔𝒊𝒏﷮ 𝟒𝒙+𝟏𝟎﷯﷯+𝑪

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