Maxima and MinimaHard
Question
Let f(x) = 
, x ∈ (0, π), then f(x) -
, x ∈ (0, π), then f(x) -Options
A.is monotonic decreasing in x ∈ 
B.is monotonic increasing in x ∈ 
C.has a local maxima at x = α given by cot α = - α
D.has a local minima at x = α given by cot α = - α
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