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domain of cot inverse (e^x+e^-x) is.... what is answer??

domain of cot inverse (e^x+e^-x) is.... what is answer??

Grade:12

2 Answers

Deepak Kumar Shringi
askIITians Faculty 4404 Points
5 years ago
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Arun
25750 Points
5 years ago
As we know....e^x + e^-x has minimum value of 2. Hence domain of cot^-1 (e^x + e^-x) has domain of R. Hope it helps

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