Trigonometry Examples

$\sqrt{- 0.6875}$

Step 1

Rewrite $- 0.6875$ as $- 1 (0.6875)$ .

$\sqrt{- 1 (0.6875)}$

Step 2

Rewrite $\sqrt{- 1 (0.6875)}$ as $\sqrt{- 1} \cdot \sqrt{0.6875}$ .

$\sqrt{- 1} \cdot \sqrt{0.6875}$

Step 3

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

$i \sqrt{0.6875}$