Find the domain of ^ -1 x- ^ -1 x - Vidyadip

Question

Find the domain of$\sec^{-1}\text{x}-\tan^{-1}\text{x}$

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Answer

Let f(x) = g(x) - h(x), where Therefore, the domain of f(x) is given by the intersection of the domain of g(x) and h(x) The domain of g(x) is $\Big[0,\frac{\pi}{2}\Big)\cup\Big[\pi,\frac{3\pi}{2}\Big)$
The domain of h(x) is $\Big(-\frac{\pi}{2},\frac{\pi}{2}\Big)$
Therefore, the intersection of g(x) and h(x) is $\text{R}-(\text{n}\pi,\text{n}\in\text{Z})$

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