Trigonometry Examples

$\sin (x) \cos (\frac{π}{7}) - \sin (\frac{π}{7}) \cos (x) = \frac{\sqrt{2}}{2}$

Step 1

Graph each side of the equation.

$y = \sin (x) \cos (\frac{π}{7}) - \sin (\frac{π}{7}) \cos (x)$

$y = \frac{\sqrt{2}}{2}$

Step 2