defence exam Agniveer Navy MR Mock Test Series 2025 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
यदि A एक न्यून कोण है और cosesc A = √2 है, तो 4sin2A ÷ secA का मान है:
1
\(2\sqrt 2 \)
2
\(\frac{1}{{\left( {\sqrt 2 } \right)}}\)
3
\(4\sqrt 2 \)
4
\(4 - \sqrt 2 \)