SOLUTION: if 2 cos (theta) = cot (theta) and 0 less than or equal to (theta) less than 2 pi, then theta= ?

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Question 623162: if 2 cos (theta) = cot (theta) and 0 less than or equal to (theta) less than 2 pi, then theta= ?
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
if 2 cos (theta) = cot (theta) and 0 less than or equal to (theta) less than 2 pi, then theta=
**
2cosx=cotx [0,2π]
2cosx=cosx/sinx
1/sinx=2
sinx=1/2
x=π/6 and 5π/6 (in quadrants I and II where sin>0)