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Need Solution for R.D.Sharma Maths Class 12 Chapter 3 Inverse Trigonomeric Functions Exercise Multiple Choice Questions Question 43 Maths Textbook Solution.

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

Hint: The principal branch is a function which selects one branch of multi-valued function.

Given: Principal value of branch of \csc ^{-1} x


The principal value of branch of \mathrm{y}=\csc ^{-1} x_{\text {is }}\left[\left\{\frac{-\pi}{2}, \frac{\pi}{2}\right\}\right]-\{0\}Alignment needs improvement


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