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How do you evaluate ${cot}^{- 1} (1)$ $cot^-1(1)$ ?

1 Answer

A. S. Adikesavan

Mar 1, 2016

The principal value is $π$ $pi$ /4

Explanation:

The general value is n $π$ $pi$ + $π$ $pi$ /4, where n is an integer.

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