SOLUTION: which of the ff expressions is undefined? sin�(-2) sec(π/2) tan(2000) cot(-π/2)

SOLUTION: which of the ff expressions is undefined? sin�(-2) sec(π/2) tan(2000) cot(-π/2)

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Question 1125781: which of the ff expressions is undefined?
sin�(-2)
sec(π/2)
tan(2000)
cot(-π/2)
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Evaluate them, find out.
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