f(x) = tan πx
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find where function has discontinuity...
tan has one on every k*(π/2) where k is non-zero integer (but can be positive or negative)
this means
πx=k(π/2)
x=k/2; where k is non-zero integer
tan has one on every k*(π/2) where k is non-zero integer (but can be positive or negative)
this means
πx=k(π/2)
x=k/2; where k is non-zero integer