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Mathematics, 05.01.2021 06:00 xojade

Which are undefined?
sec(-pi/)
csc(3pi)
cot(7pi/2)
csc(-3pi/2)
cot(5pi/3)

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Which are undefined?
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csc(3pi)
cot(7pi/2)
csc(-3pi/2)
cot(5pi/3)...

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