document.write( "Question 889336: How do you determine if this is correct?
\n" ); document.write( "Is sin2xsinx-cosx = -(3root3)/2 true for 7pi/6? Explain \n" ); document.write( "

Algebra.Com's Answer #538085 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
PLug in the value and see.
\n" ); document.write( " $\"sin%28%287pi%29%2F3%29=sqrt%283%29%2F2\"$
\n" ); document.write( " $\"sin%28%287pi%29%2F6%29=-1%2F2\"$
\n" ); document.write( " $\"cos%28%287pi%29%2F6%29=-sqrt%283%29%2F2\"$
\n" ); document.write( ".
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\n" ); document.write( ".
\n" ); document.write( " $\"sin%282x%29sin%28x%29-cos%28x%29=%28sqrt%283%29%2F2%29%28-1%2F2%29-%28-sqrt%283%29%2F2%29\"$
\n" ); document.write( " $\"sin%282x%29sin%28x%29-cos%28x%29=%28sqrt%283%29%2F2%29%28-1%2F2%2B1%29\"$
\n" ); document.write( " $\"sin%282x%29sin%28x%29-cos%28x%29=%28sqrt%283%29%2F2%29%281%2F2%29\"$
\n" ); document.write( " $\"sin%282x%29sin%28x%29-cos%28x%29=highlight%28sqrt%283%29%2F4%29\"$ \n" ); document.write( "

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