show that f is continuous at (-infinity, infinity) f(x)= { sin(x) if x < (pi/4) cos(x) if x >or equal to (pi/4) confused???
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Originally Posted by thecount show that f is continuous at (-infinity, infinity) f(x)= { sin(x) if x < (pi/4) cos(x) if x >or equal to (pi/4) confused???
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