Euler identity

℮⟨𝑖𝜋⟩ + 1 = 0


℮⟨𝓍⟩ = 

∑  𝓍ⁿ ∕
∞    ∕  n!


sin(x) = Impar(℮⟨𝓍⟩)
= ∑   𝓍ⁱ ∕          i:=2n+1
  ∞     ∕ 𝚒!

cos(x) = Par(℮⟨𝓍⟩)
= ∑   𝓍²ⁿ ∕
  ∞      ∕  2n!

℮⟨𝑖𝓍⟩ = 
 cos(𝓍) + 𝑖 sin(𝓍)


℮⟨𝑖𝜋⟩ = 
 cos(𝜋) + 𝑖 sin(𝜋) =
 -1 + 𝑖0