Trigonometry Examples

$\sqrt{- 55}$

Step 1

Rewrite $- 55$ as $- 1 (55)$ .

$\sqrt{- 1 (55)}$

Step 2

Rewrite $\sqrt{- 1 (55)}$ as $\sqrt{- 1} \cdot \sqrt{55}$ .

$\sqrt{- 1} \cdot \sqrt{55}$

Step 3

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

$i \sqrt{55}$