Assumptions:
TeX:
\sin^{2}\!\left(z\right) - \cos^{2}\!\left(z\right) = -\cos\!\left(2 z\right)
z \in \mathbb{C}Definitions:
| Fungrim symbol | Notation | Short description |
|---|---|---|
| Pow | Power | |
| Sin | Sine | |
| CC | Complex numbers |
Source code for this entry:
Entry(ID("954066"),
Formula(Equal(Sub(Pow(Sin(z), 2), Pow(Cos(z), 2)), Neg(Cos(Mul(2, z))))),
Variables(z),
Assumptions(Element(z, CC)))