document.write( "Question 631539: Please use a calculator to change the rectangular coordinates (-2.5,7) to polar form. Round r and θ to 3 decimal places and let -180° < θ < 180°. Thanks! \n" ); document.write( "
Algebra.Com's Answer #397700 by Alan3354(69443)\"\" \"About 
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Please use a calculator to change the rectangular coordinates (-2.5,7) to polar form. Round r and θ to 3 decimal places and let -180° < θ < 180°.
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\n" ); document.write( "Do it like this one:
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\n" ); document.write( "Please use a calculator to change -0.135 + 1.67i to polar form. Round r and θ to 3 decimal places and let –л < θ ≤ л.
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\n" ); document.write( "\n" ); document.write( "r =~ 1.657
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\n" ); document.write( "Angle = atan(1.67/-0.135)
\n" ); document.write( "Angle =~ 94.622 degs
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