SOLUTION: Find all values of x in the interval [0, 2π] that satisfy the equation. 12 cot2(x) = 4

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Question 562191: Find all values of x in the interval [0, 2π] that satisfy the equation.
12 cot2(x) = 4
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
Find all values of x in the interval [0, 2π] that satisfy the equation.
12 cot2(x) = 4
cot^2(x)=4/12=1/3
cot(x)=1/√3
x=π/3 and 4π/3 (in quadrants I and III where cot>0)