Trigonometry Examples

$\sin (\frac{π}{5}) \cos (\frac{3 π}{10}) + \cos (\frac{π}{5}) \sin (\frac{3 π}{10})$

Step 1

The result can be shown in multiple forms.

Exact Form:

$\sin (\frac{π}{5}) \cos (\frac{3 π}{10}) + \cos (\frac{π}{5}) \sin (\frac{3 π}{10})$

Decimal Form:

$1$