document.write( "Question 1159331: Make the trigonometric substitution
\n" ); document.write( "x = a tan θ for −π/2 < θ < π/2 and a > 0.\r
\n" ); document.write( "\n" ); document.write( "Simplify the resulting expression.
\n" ); document.write( "(x^2/ $\"sqrt+%28a2+%2B+x2%29\"$ )\r
\n" ); document.write( "\n" ); document.write( "I do not know how to start this problem! What am I substituting?? HELP.
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Algebra.Com's Answer #782311 by ikleyn(52835) $\"\"$ $\"About$

You can put this solution on YOUR website!
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document.write( "In the denominator, which is  ,  you should replace x by  .\r\n" );
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document.write( "It is \"how to start\".\r\n" );
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