• anonymous
I have the function $f(x)=\frac{ \sin(x \pi ) }{ \sin(2x \pi) }$ which is visually presented in the attached file. I'm supposed, only by looking at the graph, to decide * Where in the interval the function is discontinuous? * Where does the curve have a horizontal tangent? * Where does the function have local maximum, local minimum? I can't see these things and would hence appreciate some guidance.
Mathematics

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