document.write( "Question 304606: How can i solve this-\r
\n" ); document.write( "\n" ); document.write( "If y= cosx + i sinx show that dy/dx = i y (remember i is a constant)\r
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Algebra.Com's Answer #218117 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
\"y=cos%28x%29%2Bi%2Asin%28x%29\"\r
\n" ); document.write( "\n" ); document.write( "\"dy%2Fdx=-sin%28x%29%2Bi%2A%28cos%28x%29%29\"
\n" ); document.write( "\"dy%2Fdx=i%2A%28i%2Asin%28x%29%2Bcos%28x%29%29\"
\n" ); document.write( "\"dy%2Fdx=i%2A%28y%29\"
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