document.write( "Question 673122: When does cos(x) = 0? \n" ); document.write( "
Algebra.Com's Answer #418502 by nerdybill(7384)\"\" \"About 
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When does cos(x) = 0?
\n" ); document.write( "From the \"unit circle\" cos(x)=0 when
\n" ); document.write( "In terms of degrees: 90 and 270 degrees
\n" ); document.write( "In terms of radians: (pi)/2 and 3(pi)/2 radians
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