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Which trigonometric function is the reciprocal of (\cos \theta)?किस त्रिकोणमितीय फलन का व्युत्क्रम (\cos \theta) के बराबर होता है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (\sec \theta)(\sec \theta)
(\sec \theta=\frac{1}{\cos \theta}). Do not confuse (\sec \theta) with (\cosec \theta) in exams.(\sec \theta=\frac{1}{\cos \theta}) होता है। परीक्षा में (\sec \theta) और (\cosec \theta) को न मिलाएँ।
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