Trigonometry Examples

$\sin (\frac{7 π}{15}) \cos (\frac{11 π}{30}) + \cos (\frac{7 π}{15}) \sin (\frac{11 π}{30})$

Step 1

The result can be shown in multiple forms.

Exact Form:

$\sin (\frac{7 π}{15}) \cos (\frac{11 π}{30}) + \cos (\frac{7 π}{15}) \sin (\frac{11 π}{30})$

Decimal Form:

$0.4\overline{9}$