Apply the sine double–angle identity.

Cancel the common factor.

Divide by .

Since is constant with respect to , move out of the integral.

The integral of with respect to is .

Simplify.

Find the Integral (sin(2x))/(sin(x))

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# Find the Integral (sin(2x))/(sin(x))

Apply the sine double–angle identity.

Cancel the common factor.

Divide by .

Since is constant with respect to , move out of the integral.

The integral of with respect to is .

Simplify.

Find the Integral (sin(2x))/(sin(x))