Ex 7.2, 4 - Integrate sin x. sin (cos x) - CBSE - Integration by substitution - Trignometric - Normal

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  1. Chapter 7 Class 12 Integrals
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Ex 7.2, 4 Integrate the function: sin . sin (cos ) Step 1: Let cos = Differentiating both sides . . . sin = / = /( sin ) Step 2: Integrating function 1 sin . sin (cos ) . Putting values of t & dt = 1 sin . sin . /( sin ) = 1 sin . = ( cos + ) =cos + Putting = = ( )+

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