Trigonometry Examples

$\sin (\frac{x}{8}) \cos (\frac{7 x}{8}) + \cos (\frac{x}{8}) \sin (\frac{7 x}{8})$

Step 1

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$\sin (\frac{x}{8}) \cos (\frac{7 x}{8}) + \cos (\frac{x}{8}) \sin (\frac{7 x}{8})$