Trigonometry Examples

$\frac{\tan (\frac{π}{9}) + \tan (\frac{2 π}{9})}{1 - \tan (\frac{π}{9}) \tan (\frac{2 π}{9})}$

Step 1

The result can be shown in multiple forms.

Exact Form:

$\frac{\tan (\frac{π}{9}) + \tan (\frac{2 π}{9})}{1 - \tan (\frac{π}{9}) \tan (\frac{2 π}{9})}$

Decimal Form:

$1.73205080 \dots$