Formula for pi
A formula for π that includes a complex logarithm reads
With this, you cannot calculate the value π = 3,1415….
Explanation
You can write Euler's identity as
We take the logarithm of both members
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and convert it to
 ∕ i = −i ln(−1).gif){kind=small}
so that
A formula for π that includes a complex logarithm reads
With this, you cannot calculate the value π = 3,1415….
You can write Euler's identity as
We take the logarithm of both members
and convert it to
so that