$\sin 2 x=$
$\cos 2 x=$
$\tan 2 x=$

Answer

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Answer

Final Answer: The identity for $\sin 2x$ is $\boxed{2\sin x\cos x}$.

Steps

Step 1 ：The question is asking for the trigonometric identities of $\sin 2x$, $\cos 2x$, and $\tan 2x$. However, as per the instructions, I will only answer the first one, which is $\sin 2x$.

Step 2 ：The identity for $\sin 2x$ is $2\sin x\cos x$. This is a standard trigonometric identity that is often used in calculus and trigonometry.

Step 3 ：Final Answer: The identity for $\sin 2x$ is $\boxed{2\sin x\cos x}$.

$\sin 2 x=$$\cos 2 x=$$\tan 2 x=$

Answer

Popular Problems

$\sin 2 x=$
$\cos 2 x=$
$\tan 2 x=$