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Which is the range of (\sec \theta)?(\sec \theta) का परिसर कौन सा है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ((-\infty,-1]\cup[1,\infty))((-\infty,-1]\cup[1,\infty))
Since (\sec \theta=\frac{1}{\cos \theta}), its values do not lie inside ([-1,1]). Its range is ((-\infty,-1]\cup[1,\infty)).(\sec \theta=\frac{1}{\cos \theta}) होने से इसके मान ([-1,1]) के अंदर नहीं आते। परिसर ((-\infty,-1]\cup[1,\infty)) होता है।
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