Trigonometry Examples

$\sqrt{1 - \cos (x)} (1 + \cos (x))$

Step 1

Apply the distributive property.

$\sqrt{1 - \cos (x)} \cdot 1 + \sqrt{1 - \cos (x)} \cos (x)$

Step 2

Multiply $\sqrt{1 - \cos (x)}$ by $1$ .

$\sqrt{1 - \cos (x)} + \sqrt{1 - \cos (x)} \cos (x)$