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CBSE Class 12-science Answered

Find the principal value  of tan –1(1)
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
answered-by-expert Expert Answer

We know that for any x Î R, tan–1 x represents an angle in  whose tangent is x

  tan–1 (1) = An angle in  whose tangent is 1.

 tan–1 (1) =

Answered by | 04 Jun, 2014, 03:23: PM
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