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Step-by-step Solution

Trigonometric integral $\int\sin\left(2x\right)dx$

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Answer

$-\frac{1}{2}\cos\left(2x\right)+C_0$

Step-by-step explanation

Problem to solve:

$\int\sin\left(2x\right)dx$
1

Solve the integral $\int\sin\left(2x\right)dx$ applying u-substitution. Let $u$ and $du$ be

$\begin{matrix}u=2x \\ du=2dx\end{matrix}$
2

Isolate $dx$ in the previous equation

$\frac{du}{2}=dx$

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Answer

$-\frac{1}{2}\cos\left(2x\right)+C_0$
$\int\sin\left(2x\right)dx$

Main topic:

Integration by substitution

Used formulas:

3. See formulas

Time to solve it:

~ 0.71 seconds