Q22 of 30 Page 5

Differentiate .

To find: differentiation of


sin 2x = 2 sin x cos x


Replace x by :



Adding 1 both sides:





Similarly,



Multiplying –1 both sides:



Adding 1 both sides:






From (1) and (2):








Differentiating both sides with respect to x:




Hence, the differentiation of is


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