Find the principal value  of

Asked by Topperlearning User | 21st Apr, 2016, 12:50: PM

Expert Answer:

We know that for any x element of R, tan-1 x represents an angle in  open parentheses negative straight pi over 2 comma straight pi over 2 close parentheses whose tangent is x

  
         
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Answered by  | 21st Apr, 2016, 02:50: PM