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If (\cos x=\frac{12}{13}) and (x) is in the first quadrant, what is the value of (\sin x)?यदि (\cos x=\frac{12}{13}) और (x) प्रथम चतुर्थांश में है, तो (\sin x) का मान क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (\frac{5}{13})(\frac{5}{13})
From (\sin^2 x=1-\cos^2 x), (\sin x=\frac{5}{13}). In the first quadrant, the positive value is taken.(\sin^2 x=1-\cos^2 x) से (\sin x=\frac{5}{13}) मिलता है। प्रथम चतुर्थांश में मान धनात्मक लिया जाता है।
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