SOLUTION: Find all values of x in the interval [0, 2π] that satisfy the equation. (Enter your answers as a comma-separated list.)
9 cot2(x) = 3
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Question 645899: Find all values of x in the interval [0, 2π] that satisfy the equation. (Enter your answers as a comma-separated list.)
9 cot2(x) = 3
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Find all values of x in the interval [0, 2π] that satisfy the equation. (Enter your answers as a comma-separated list.)
9 cot2(x) = 3
cot^2(x)=3/9=1/3
cot(x)=1/√3
tan(x)=1/cot(x)=√3
x=π/3, 4π/3 (reference angles in quadrants I and III where cot and tan>0)
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