Category:Euler's Identities
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This category contains pages concerning Euler's Identities:
Euler's Formula
Let $z \in \C$ be a complex number.
Then:
- $e^{i z} = \cos z + i \sin z$
Euler's Sine Identity
- $\sin z = \dfrac {e^{i z} - e^{-i z} } {2 i}$
Euler's Cosine Identity
- $\cos z = \dfrac {e^{i z} + e^{-i z} } 2$
Source of Name
This entry was named for Leonhard Paul Euler.
Subcategories
This category has the following 4 subcategories, out of 4 total.
E
- Euler's Cosine Identity (10 P)
- Euler's Cotangent Identity (4 P)
- Euler's Sine Identity (9 P)
- Euler's Tangent Identity (4 P)
Pages in category "Euler's Identities"
The following 8 pages are in this category, out of 8 total.