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Apply the trigonometric identity: $\frac{d}{dx}\left(\sin\left(\theta \right)\right)$$=\frac{d}{dx}\left(\theta \right)\cos\left(\theta \right)$, where $x=2x$
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$\frac{d}{dx}\left(2x\right)\cos\left(2x\right)$
Learn how to solve calcolo differenziale problems step by step online. d/dx(sin(2x)). Apply the trigonometric identity: \frac{d}{dx}\left(\sin\left(\theta \right)\right)=\frac{d}{dx}\left(\theta \right)\cos\left(\theta \right), where x=2x. Apply the formula: \frac{d}{dx}\left(cx\right)=c\frac{d}{dx}\left(x\right), where c=2. Apply the formula: \frac{d}{dx}\left(x\right)=1.