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Mathematics 27 Online
OpenStudy (anonymous):

Find the points of intersection algebraically of the graphs of f(x)=tanx and g(x)=cotx on the interval {0,4pi}

OpenStudy (cwrw238):

tanx = 1 / tanx tan^2x = 1 tanx = 1 or -1

OpenStudy (cwrw238):

can u continue?

OpenStudy (cwrw238):

one value of angle x is pi/4

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