Prove that, 4 sinθ sin $\left(\frac{\pi }{3} + \theta \right)$ sin $\left(\frac{\pi }{3} – \theta \right)$ =sin3θ
4 sinθ sin $\left(\frac{\pi }{3} + \theta \right)$ sin $\left(\frac{\pi }{3} – \theta \right)$ =sin3θ Prove that, 4 sinθ sin(π/3+θ ) …
4 sinθ sin $\left(\frac{\pi }{3} + \theta \right)$ sin $\left(\frac{\pi }{3} – \theta \right)$ =sin3θ Prove that, 4 sinθ sin(π/3+θ ) …