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OpenStudy (anonymous):
limx→π/4cos2x÷sinx−cosx
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OpenStudy (amistre64):
since pi/4 doesnt make anything go bad; its just the value you get when x = pi/4
OpenStudy (amistre64):
assuming im reading this thing right
OpenStudy (amistre64):
division before subtraction in the even of no grouping symbols
OpenStudy (amistre64):
otherwise it looks best to do a LHopital on it
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