Prove that,$\sin \left(\frac{2\pi }{3} + \theta \right) – sin\left(\frac{2\pi }{3} – \theta \right) + sin\theta$ = 0
Prove that, $\sin \left(\frac{2\pi }{3} + \theta \right) – sin\left(\frac{2\pi }{3} – \theta \right) + sin\theta$ = 0 $L\ldotp H\ldotp …