document.write( "Question 438253: If \"x+=+%28a%29+sin+%28theeta%29+-+%28b%29+cos+%28theeta%29\" and \"y+=+%28a%29+cos+%28theeta%29+%2B+%28b%29+sin+%28theeta%29\", show that \"%28x%29%5E2+%2B+%28y%29%5E2+=+%28a%29%5E2+%2B+%28b%29%5E2\" .\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #303114 by robertb(5830)\"\" \"About 
You can put this solution on YOUR website!
\n" ); document.write( "
\n" );