document.write( "Question 581864: What is 4cos^2Ө -3 =0 using the interval 0 ≤ Ө < 2π? \n" ); document.write( "

Algebra.Com's Answer #371835 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"+4%2A%28+cos%28theta%29%29%5E2+-+3+=+0+\"$
\n" ); document.write( " $\"++%28+cos%28theta%29%29%5E2+=+3%2F4+\"$
\n" ); document.write( " $\"+cos%28theta%29+=+sqrt%283%29%2F2+\"$ and
\n" ); document.write( " $\"+cos%28theta%29+=+-sqrt%283%29%2F2+\"$
\n" ); document.write( " $\"+theta+\"$ = $\"+pi%2F6+\"$ , $\"+5%2Api%2F6+\"$ , $\"+%287%2Api%29%2F6+\"$ , $\"+%2811%2Api%29%2F6+\"$ \n" ); document.write( "

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