document.write( "Question 380324: Hi All, Please can someone help\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Derive the Maclaurin series for sin x as
\n" ); document.write( "sin x = x -x^3/3!+x^5/5! - ...\r
\n" ); document.write( "\n" ); document.write( "Hence write down the Maclaurin series for x sin x and sin 3x.\r
\n" ); document.write( "\n" ); document.write( "Thank You
\n" ); document.write( "

Algebra.Com's Answer #269898 by richard1234(7193)\"\" \"About 
You can put this solution on YOUR website!
Note the definition of a power series\r
\n" ); document.write( "\n" ); document.write( " (sorry, I can't put the f \"prime\" in without an error message being displayed)\r
\n" ); document.write( "\n" ); document.write( "If f(x) = sin x then its derivatives are:\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29+=+sin+x\"
\n" ); document.write( "\"f%5E%281%29%28x%29+=+cos+x\"
\n" ); document.write( "\"f%5E%282%29%28x%29+=+-sin+x\"
\n" ); document.write( "\"f%5E%283%29+%28x%29+=+-cos+x\"
\n" ); document.write( "\"f%5E%284%29+%28x%29+=+sin+x\"
\n" ); document.write( "etc.\r
\n" ); document.write( "\n" ); document.write( "The Maclaurin series is pretty much the same as a Taylor series except that it is centered around 0. Using the power series definition, we have\r
\n" ); document.write( "\n" ); document.write( "\r
\n" ); document.write( "\n" ); document.write( "\"sin+x+=+1+-+%281%2F3%29+%28x%5E3%29+%2B+%281%2F5%29+%28x%5E5%29+%2B+...\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );