Image source: File: Euler's
formula.png - Wikimedia Commons
There is a single
equation that connects five mathematical constants in a simple equality. The
equation is known as Euler’s Identity (or Euler’s Equation):
The five constants include:
The base of the
natural logarithm, e (2.718…), also know as Euler’s number
The square root of
-1, i (the imaginary unit)
The ratio of a circle’s
circumference to its diameter, p (3.141...)
The additive
identity, 0, and
The multiplicative
identity, 1.
The basis of Euler’s
Identity, is the more general formula, Euler’s Formula, which is:
When x = p,
then:
Since cos p =
-1 and sin p = 0, the equation becomes:
Or
Other blog posts
and links about Euler:
Math
Vacation: Euler Characteristic of Polyhedra (jamesmacmath.blogspot.com)
Math
Vacation: Project Euler (jamesmacmath.blogspot.com)
Math
Vacation: Using Random Numbers to Estimate Pi (jamesmacmath.blogspot.com)
Math
Vacation: Perfect Number Generator (jamesmacmath.blogspot.com)
More on Euler’s Identity: Euler's identity -
Wikipedia
More on Euler: Leonhard Euler - Wikipedia
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