## Quotes20599 of 42574 |
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For any real number x, Euler’s formula is Where e is fundamental constant (the base of natural logarithms) and i = ?-1. If we now put x =?, we get e^(i?) = cos ?+i sin ?, and since cos(?) =?1 and sin(?) = 0, this reduces to e^(i?) =?1 so that e i? +1=0.
David Darling, in | ||