SOLUTION: Fing the range of the function 1/(2cos x-1)

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Question 1118827: Fing the range of the function 1/(2cos x-1)
Answer by greenestamps(13200) About Me  (Show Source):
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The range of cos(x) is [-1,1].

The range of 2cos(x)-1 is [-3,1].

The range of 1/(2cos(x)-1) is (-infinity, -1/3] union [1, infinity).