document.write( "Question 1036058: If z = 2cis30°, express z^6 in RECTANGULAR FORM \n" ); document.write( "
Algebra.Com's Answer #650646 by Edwin McCravy(20065)\"\" \"About 
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document.write( "z = 2cis30°\r\n" );
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document.write( "z6 = (2cis30°)6\r\n" );
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document.write( "z6 = 26cis(6∙30°)\r\n" );
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document.write( "z6 = 64cis(180°)\r\n" );
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document.write( "z6 = 64(cos180° + i∙sin180°)\r\n" );
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document.write( "z6 = 64(-1 + i∙0)\r\n" );
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document.write( "z6 = -64\r\n" );
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document.write( "Edwin
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