document.write( "Question 1075983: Can somebody fill me in a bit on Euler’s formula?\r
\n" ); document.write( "\n" ); document.write( "e^(a + bi) = e^a*(cos b + i sin b) -- Euler's Formula.\r
\n" ); document.write( "\n" ); document.write( "His equation gives rise to e^(πi) + 1 = 0. \r
\n" ); document.write( "\n" ); document.write( "'0, 1,π , e, and i' Are all in one equation. \r
\n" ); document.write( "\n" ); document.write( "Could you explain how Euler’s formula could be applied to derive this equation? Thank you very much.
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Algebra.Com's Answer #690680 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
\"e%5E%28a%2Bbi%29=e%5Ea%2Ae%5E%28bi%29\"
\n" ); document.write( "OK so when \"a=0\" and \"b=pi\",
\n" ); document.write( "\"e%5E%280%2Bpi%2Ai%29=e%5E0%2A%28cos%28pi%29%2Bi%2Asin%28pi%29%29\"
\n" ); document.write( "\"e%5E%28pi%2Ai%29=1%28-1%2Bi%2A0%29\"
\n" ); document.write( "\"e%5E%28pi%2Ai%29=-1\"
\n" ); document.write( "\"e%5E%28pi%2Ai%29%2B1=0\"
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