engineering recuitment AAI Junior Executive (Common Cadre) Mock Test 2023 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
यदि cosec θ + cot θ = s है, तो cos θ का मान क्या होगा?
1
\(\frac{s^2-1}{s^2+1}\)
2
\(\frac{s^2+1}{s^2-1}\)
3
\(\frac{s^2-1}{2 s}\)
4
\(\frac{2 s}{s^2+1}\)
5
इनमें से कोई नहीं