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If (x) is in the fourth quadrant and (\tan x=-\frac{24}{7}), what is the value of (\cos x)?यदि (x) चौथे चतुर्थांश में है और (\tan x=-\frac{24}{7}), तो (\cos x) का मान क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (\frac{7}{25})(\frac{7}{25})
In the fourth quadrant, (\cos x) is positive and (\sin x) is negative. From the (7,24,25) triple, (\cos x=\frac{7}{25}).चौथे चतुर्थांश में (\cos x) धनात्मक और (\sin x) ऋणात्मक होता है। (7,24,25) त्रिक से (\cos x=\frac{7}{25}) है।
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