Trigonometry Examples

$- \sqrt{- 51}$

Step 1

Rewrite $- 51$ as $- 1 (51)$ .

$- \sqrt{- 1 (51)}$

Step 2

Rewrite $\sqrt{- 1 (51)}$ as $\sqrt{- 1} \cdot \sqrt{51}$ .

$- (\sqrt{- 1} \cdot \sqrt{51})$

Step 3

Rewrite $\sqrt{- 1}$ as $i$ .

$- i \sqrt{51}$