Trigonometry Examples

$\log_{2} (21)$

Step 1

Rewrite $\log_{2} (21)$ as $\log_{2} (3 (7))$ .

$\log_{2} (3 (7))$

Step 2

Rewrite $\log_{2} (3 (7))$ as $\log_{2} (3) + \log_{2} (7)$ .

$\log_{2} (3) + \log_{2} (7)$