defence exam CISF Constable Fireman Mock Test 2024 Quantitative Aptitude Trigonometry

एक समकोण ΔABC में ∠ABC पर समकोण है। यदि AC = 2√5 और AB - BC = 2 है, तो sec A + tan A का मान क्या है?

1
\(\sqrt5\over2\)
2
2√5
3
\(\frac{\sqrt5+1}{2}\)
4
\(1\over\sqrt5\)
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