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OpenStudy (anonymous):
at which value will the graph of y= cot x have a zero? A. pi/2 B. pi/4 C. pi/3 D. none are correct
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OpenStudy (anonymous):
cot(x) is equal to 1/tanx so the answer is A
OpenStudy (anonymous):
thanks (; i had just figured it out !
OpenStudy (lgbasallote):
a fun way to solve it is y = cot x 0 = cot x \(\cot^{-1} (0) = x\)
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