Trigonometry Examples

$\frac{\tan (\frac{4 π}{5}) + \tan (\frac{π}{30})}{1 - \tan (\frac{4 π}{5}) \tan (\frac{π}{30})}$

Step 1

The result can be shown in multiple forms.

Exact Form:

$\frac{\tan (\frac{4 π}{5}) + \tan (\frac{π}{30})}{1 - \tan (\frac{4 π}{5}) \tan (\frac{π}{30})}$

Decimal Form:

$- 0.57735026 \dots$