SOLUTION: Please solve equation in radians for all exact solutions. Show all work
{{2√3cos(x/2)=-3}}
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Question 683120: Please solve equation in radians for all exact solutions. Show all work
{{2√3cos(x/2)=-3}}
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Please solve equation in radians for all exact solutions. Show all work
{{2√3cos(x/2)=-3}}
2√3cos(x/2)=-3
cos(x/2)=-3/(2√3)=-3√3/2*3=-√3/2
cos(x/2)=-√3/2
x/2=5π/6+2πk and 7π/6+2πk, k=integer (in quadrants II and III where cos<0)
x=5π/3+2πk and 7π/3+2πk, k=integer
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