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Where is (\cosec x) undefined?(\cosec x) कहाँ अपरिभाषित होता है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (\sin x=0)(\sin x=0)
(\cosec x=\frac{1}{\sin x}), so it is undefined when (\sin x=0). In a reciprocal, the denominator function must not be zero.(\cosec x=\frac{1}{\sin x}) है, इसलिए (\sin x=0) पर यह अपरिभाषित होता है। व्युत्क्रम में नीचे वाला फलन शून्य नहीं होना चाहिए।
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