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CBSE Class 12-science Answered

Find the principal value of sec–1
Asked by Topperlearning User | 21 Apr, 2016, 03:14: PM
answered-by-expert Expert Answer

Since sec–1 : R – (–1, 1) ® [0, p] – open curly brackets straight pi over 2 close curly brackets is a bijection. Therefore, sec–1 x represents an angle in [0, p] – open curly brackets straight pi over 2 close curly brackets  whose secant is x.

  = An angle in [0, p] –  open curly brackets straight pi over 2 close curly brackets whose secant is

  = straight pi over 6

Answered by | 21 Apr, 2016, 05:14: PM
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