document.write( "Question 893563: the complex number 4cos135 3isin135 can be written as re^rt in exponentional form find valuea of r and t \n" ); document.write( "

Algebra.Com's Answer #541430 by Fombitz(32388) $\"\"$ $\"About$

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$\"x=4%2A%28-%28sqrt%282%29%2F2%29%29%29\"$
\n" ); document.write( " $\"x=-2sqrt%282%29\"$
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\n" ); document.write( ".\r
\n" ); document.write( "\n" ); document.write( " $\"y=3%2A%28sqrt%282%29%2F2%29\"$
\n" ); document.write( " $\"y=%283%2F2%29sqrt%282%29\"$
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\n" ); document.write( " $\"r%5E2=x%5E2%2By%5E2\"$
\n" ); document.write( " $\"r%5E2=4%2A2%2B%289%2F4%29%2A2\"$
\n" ); document.write( " $\"r%5E2=8%2B9%2F2\"$
\n" ); document.write( " $\"r%5E2=16%2F2%2B9%2F2\"$
\n" ); document.write( " $\"r%5E2=25%2F2\"$
\n" ); document.write( " $\"r=5%2Fsqrt%282%29\"$
\n" ); document.write( " $\"r=%285%2F2%29sqrt%282%29\"$
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\n" ); document.write( " $\"tan%28theta%29=y%2Fx\"$
\n" ); document.write( " $\"tan%28theta%29=%283%2F2%29%2F%28-2%29\"$
\n" ); document.write( " $\"tan%28theta%29=-3%2F4\"$
\n" ); document.write( " $\"theta=2.498\"$
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\n" ); document.write( " $\"4cos%28135%29%2B3cos%28135%29i=%285%2F2%29sqrt%282%29e%5E%282.498t%29\"$ \r
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