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What is the range of the principal value of $\; sec^{-1}x$?

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Answer:[ 0,$\pi$ ]-{$\frac{\pi}{2}$}

The range of the principal value of $\; sec^{-1}x$ is [ 0,$\pi$ ]-{$\frac{\pi}{2}$}

answered Mar 12, 2013 by balaji.thirumalai
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