(sin (2x)) dx = sin(2x)e-7x 7 sin(2x)e-72 7 Step 9 Hide steps Simplify. Hide steps + Simplify the answer. sin(2x)e 7 53 49 + 53 49 -7x -2(cos(2x)e -7x) 49 -2 (cos(2x)e-7) 49 Move the negative in front of the fraction. 53 49 2 cos(2x)e 49 + C -72 + C Multiply by the reciprocal of the fraction to A A

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