Weierstrass factorization of sine
From specialfunctionswiki
Proposition: The Weierstrass factorization of $\sin(z)$ is $$\sin(z) = z \displaystyle\prod_{k=1}^{\infty} \left( 1 - \dfrac{z^2}{k^2\pi^2} \right).$$
Proof: █
Proposition: The Weierstrass factorization of $\sin(z)$ is $$\sin(z) = z \displaystyle\prod_{k=1}^{\infty} \left( 1 - \dfrac{z^2}{k^2\pi^2} \right).$$
Proof: █
