Relationship between sine and hypergeometric 0F1
From specialfunctionswiki
Theorem: The following formula holds: $$\sin(z)=z{}_0F_1 \left(;\dfrac{3}{2};-\dfrac{z^2}{4} \right),$$ where $\sin$ denotes the sine and ${}_0F_1$ denotes the hypergeometric pFq.
Proof: █
