document.write( "Question 1039836: Use DeMoivre's theorem to write in trigonometric from:\r
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Algebra.Com's Answer #654584 by Edwin McCravy(20056) $\"\"$ $\"About$

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document.write( "The complex number  is represented by\r\n" );
document.write( "the vector (arrow) from the origin to the point. Its length\r\n" );
document.write( "is r and its angle with the right side of the x-axis is q.\r\n" );
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document.write( "We draw a perpendicular (in green) from the point to the\r\n" );
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document.write( "That makes a right triangle and we can use the\r\n" );
document.write( "Pythagorean theorem:\r\n" );
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document.write( "And since we know that ,\r\n" );
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document.write( "So the trigonometric form of  \r\n" );
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document.write( "is  or\r\n" );
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document.write( "Or if yout teacher wants you to use radians, then \r\n" );
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document.write( "Edwin

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