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If (x) is in the second quadrant and (\cot x=-\frac{3}{4}), what is the value of (\cosec x)?यदि (x) दूसरे चतुर्थांश में है और (\cot x=-\frac{3}{4}), तो (\cosec x) का मान क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (\frac{5}{4})(\frac{5}{4})
From (\cosec^2 x=1+\cot^2 x), (|\cosec x|=\frac{5}{4}). In the second quadrant, (\cosec x) is positive.(\cosec^2 x=1+\cot^2 x) से (|\cosec x|=\frac{5}{4}) मिलता है। दूसरे चतुर्थांश में (\cosec x) धनात्मक होता है।
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