Упростите: sin пи/18*cos пи/9+sin пи/9* cos пи/18 / sin пи/36* cos 35пи/18 + sin 35пи/18* cos пи/36

Упростите: \( \frac{\sin(\frac{\pi}{18}) \cdot \cos(\frac{\pi}{9}) + \sin(\frac{\pi}{9}) \cdot \cos(\frac{\pi}{18})}{\sin(\frac{\pi}{36}) \cdot \cos(\frac{35\pi}{18}) + \sin(35\frac{\pi}{18}) \cdot \cos(\frac{\pi}{36})} \)