document.write( "Question 1080026: Find three cube roots for the complex number. Leave your answers in trig form. In degrees, not cis form 8(cos 90° + i sin 90°) W0 = W1= W2=? \n" ); document.write( "

Algebra.Com's Answer #694244 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "W0 = 2*(cos(30°) + i*sin(30°)).\r\n" );
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document.write( "W1 = 2*(cos(150°) + i*sin(150°)).     Notice that 150° = 30° + 120° = 30° + .\r\n" );
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document.write( "W1 = 2*(cos(270°) + i*sin(270°)).     Notice that 270° = 30° + 2*120° = 30° + .\r\n" );
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\n" ); document.write( "\n" ); document.write( "There is a bunch of lessons on complex numbers\r
\n" ); document.write( "\n" ); document.write( "    - Complex numbers and arithmetical operations on them\r
\n" ); document.write( "\n" ); document.write( "    - Complex plane\r
\n" ); document.write( "\n" ); document.write( "    - Addition and subtraction of complex numbers in complex plane\r
\n" ); document.write( "\n" ); document.write( "    - Multiplication and division of complex numbers in complex plane\r
\n" ); document.write( "\n" ); document.write( "    - Raising a complex number to an integer power\r
\n" ); document.write( "\n" ); document.write( "    - How to take a root of a complex number (*)\r
\n" ); document.write( "\n" ); document.write( "    - Solution of the quadratic equation with real coefficients on complex domain\r
\n" ); document.write( "\n" ); document.write( "    - How to take a square root of a complex number \r
\n" ); document.write( "\n" ); document.write( "    - Solution of the quadratic equation with complex coefficients on complex domain\r
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\n" ); document.write( "\n" ); document.write( "    - Solved problems on taking roots of complex numbers (*)\r
\n" ); document.write( "\n" ); document.write( "    - Solved problems on arithmetic operations on complex numbers\r
\n" ); document.write( "\n" ); document.write( "    - Solved problem on taking square root of complex number\r
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\n" ); document.write( "\n" ); document.write( "In this list, the lessons marked by (*) specially relate to taking roots of high degree of complex numbers.
\n" ); document.write( "So, these lessons specially relate to your problem.\r
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\n" ); document.write( "\n" ); document.write( "Also, you have this free of charge online textbook in ALGEBRA-II in this site\r
\n" ); document.write( "\n" ); document.write( "    - ALGEBRA-II - YOUR ONLINE TEXTBOOK.\r
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\n" ); document.write( "\n" ); document.write( "The referred lessons are the part of this online textbook under the topic \"Complex numbers\".\r
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