Find the x-values at which f is not continuous. Are these discontinuities removable? (Use k as an arbitrary integer. If an answer does not exist, enter DNE.)
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Find the x-values at which f is not continuous. Are these discontinuities removable? (Use k as an arbitrary integer. If an answer does not exist, enter DNE.)
I suggest you graph the functionand see what happens particularly around multiples of
. Post back with what you find.
It is not continuous at them points
Therefore x is discontinuous at + and - pi/2 , which would make that non-removable?
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