Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities

যদি A একটি সূক্ষ্মকোণ হয় এবং cosec A = √2 হয়, তাহলে 4sin2A ÷ secA এর মান নির্ণয় করুন।

1
\(2\sqrt 2 \)
2
\(\frac{1}{{\left( {\sqrt 2 } \right)}}\)
3
\(4\sqrt 2 \)
4
\(4 - \sqrt 2 \)

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