Trigonometry Examples

$\sqrt{\frac{1 - \cos (x)}{1 + \cos (x)}} = \frac{1 - \cos (x)}{| \sin (x) |}$

Step 1

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$\sqrt{\frac{1 - \cos (x)}{1 + \cos (x)}} = \frac{1 - \cos (x)}{| \sin (x) |}$