What is the integral of sin(2 x/2) ?

The integral of sin(2 x/2) is -cos(x)+C

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integral of sin(2 x/2)

\int sin (2 \frac{x}{2}) d x

- cos (x) + C

Solution steps

\int sin (2 \cdot \frac{x}{2}) d x

Multiply

2 \cdot \frac{x}{2} : x

= \int sin (x) d x

Use the common integral:

\int sin (x) d x = - cos (x)

= - cos (x)

Add a constant to the solution

= - cos (x) + C

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