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Mathematics 8 Online
OpenStudy (anonymous):

Check all that apply. cotθ is undefined for θ = _____. A. 3π/2 B. π/2 C. 0 D. π

OpenStudy (raden):

because cotθ = 1/tanθ so, that fraction wll be undefined when tanθ=0 and tanθ=0 for θ=π/2 or θ=3π/2

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