Range of f(x) = sin –1 x + tan –1 x + sec –1 x is

Mathematics · JEE Main · NTA Exams — Sets, Relations and Functions

1. \(\left(\frac{\pi}{4}, \frac{3 \pi}{4}\right)\)
2. \(\left[\frac{\pi}{4}, \frac{3 \pi}{4}\right]\)
3. \(\left\{\frac{\pi}{4}, \frac{3 \pi}{4}\right\}\)
4. None of these

Answer

(C) 4 , 3 4

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