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On which set is \(cosec^{-1}x\) defined?\(cosec^{-1}x\) किस set पर परिभाषित है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ((-\infty,-1]\cup[1,\infty))((-\infty,-1]\cup[1,\infty))
\(cosec y=\frac{1}{sin y}\), so values of \(cosec y\) satisfy \(|x|\ge1\). Use the reciprocal nature to remember the domain.\(cosec y=\frac{1}{sin y}\), इसलिए \(cosec y\) के values \(|x|\ge1\) होते हैं। domain याद करते समय reciprocal nature देखें।
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