Question

Sin 2 x - sin xcos 2 x + cos x'​

Answer 1

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Answer 2

It looks like you've provided an expression involving trigonometric functions. The expression you've given is:

$\sin(2x) - \sin(x)\cos(2x) + \cos(x)$

If you'd like, I can help you simplify or analyze this expression further. Please let me know what you're looking to do with this expression!