This is one of the most captivating equations in mathematics, which also tells us that iⁱ is a real number. To prove it, you just need to consider that
eⁱˣ = cosx + i sinx
and solve it for x = 𝜋/2.
[read more: https://t.co/UjeqZgHPa3]
If you know me…. You know I hate the USPS more than anything in the world. But city of Austin utilities….. you are getting very close to being number 1 on my list….