SOLUTION: 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! cos(x/2) = -(sqrt3)/2

SOLUTION: 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! cos(x/2) = -(sqrt3)/2

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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!
cos(x/2) = -(sqrt3)/2
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
cos(x/2) = -(sqrt3)/2
cos(x/2)=-√3/2
x/2=120˚
x=60˚
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