IIT JEE INVERSE TRIGONOMETRIC FUNCTIONS `f(x)=tan^(-1)x+tan^(-1)(1/x);g(x)=sin^(-1)x+cos^(-1)x` ...

81 views · Published 21 September 2017 · 1:31 · Indexed 25 October 2026

Channel: Doubtnut · 2017 · Education

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This is the Solution of question from Cengage Publication Math Book Trigonometry Chapter 6 INVERSE TRIGONOMETRIC FUNCTIONS written By G. Tewani. You can Find Solution of all math questions from CENGAGE BOOK on our app DOUBTNUT for free. Download Doubtnut from - https://doubtnut.app.link/e0e5TzAFxR

 `f(x)=tan^(-1)x+tan^(-1)(1/x);g(x)=sin^(-1)x+cos^(-1)x`
are identical functions if
(a)`x in R`
 (b) `x >0`
 (c) `x in [-1,1]`
 (d) `x in [0,1]`

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