document.write( "Question 975045: If x = Asinθ and y = Bcosθ, find an expression that does not involve θ. \n" ); document.write( "
Algebra.Com's Answer #596848 by Edwin McCravy(20065)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "x = Asinθ  <-- solve for sinθ\r\n" );
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document.write( "     sinθ = x/A\r\n" );
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document.write( "y = Bcosθ  <-- solve for cosθ\r\n" );
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document.write( "     cosθ = y/B\r\n" );
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document.write( "Use the well-known identity\r\n" );
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document.write( "sin²θ  + cos²θ = 1\r\n" );
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document.write( "(x/A)² + (y/B)² = 1\r\n" );
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document.write( "Edwin
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