document.write( "Question 828890: I could use some help with this problem. I have tried solving it using the identities, but feel I am way off. Thank you in advance for your guidance!\r
\n" ); document.write( "\n" ); document.write( "cos(x/2) = -(sqrt3)/2
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Algebra.Com's Answer #499822 by lwsshak3(11628)\"\" \"About 
You can put this solution on YOUR website!
cos(x/2) = -(sqrt3)/2
\n" ); document.write( "cos(x/2)=-√3/2
\n" ); document.write( "x/2=120˚
\n" ); document.write( "x=60˚
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