int(sin 2x)/(sin x)dx

Simplify using trigonometric identities: Simplify the integral using trigonometric identities. \[ \int \frac{\sin 2x}{\sin x} \, dx = \int \frac{2 \sin x \cos x}{\sin x} \, dx = \int 2 \cos x \, dx \]Integrate 2 cos x: Integrate $2 \cos x$. \[ \int 2 \cos x \, dx = 2 \sin x + C \]

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$\int \frac{\sin 2 x}{\sin x} d x$ =

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Calculus

Find indefinite integrals using the substitution and by parts

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

Simplify using trigonometric identities: Simplify the integral using trigonometric identities. $\newline$ $\int \frac{\sin 2x}{\sin x} \, dx = \int \frac{2 \sin x \cos x}{\sin x} \, dx = \int 2 \cos x \, dx$
Integrate $2$ cos x: Integrate $2 \cos x$ . $\newline$ $\int 2 \cos x \, dx = 2 \sin x + C$