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44 votes
What is the domain of y = sec(x)? All real numbers

All real numbers except npi+pi/2, where n is any integer
All real numbers except not, where n is any integer
All real number except npi and npi+pi/2, where n is any integer

User Zpasternack
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2 Answers

10 votes
10 votes

Answer:

y is an elementary of real number

Explanation:

it is where y is an element except not where n is any integer because y only goes up and down

User Ali Ent
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14 votes
14 votes

Answer:

C on edge

Explanation:

took test

User Alexey Alexandrov
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