SOLUTION: solve cos(x/2)=1/2, 0 less than or equal to x less than 2 pi

SOLUTION: solve cos(x/2)=1/2, 0 less than or equal to x less than 2 pi

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Question 933539: solve cos(x/2)=1/2, 0 less than or equal to x less than 2 pi
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
solve cos(x/2)=1/2, 0 less than or equal to x less than 2 pi
cos(x/2)=1/2
x/2=π/3,5π/3 (in quadrants I and IV where cos>0
x=2π/3,10π/3
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