Trigonometry Examples

$\sqrt{- \frac{121}{324}}$

Step 1

Rewrite $- \frac{121}{324}$ as ${(\frac{11 i}{18})}^{2}$ .

$\sqrt{{(\frac{11 i}{18})}^{2}}$

Step 2

Pull terms out from under the radical, assuming positive real numbers.

$\frac{11 i}{18}$