state gov APPSC Forest/Assistant Beat Officer (ఫారెస్ట్/అసిస్టెంట్ బీట్ ఆఫీసర్) (Pre + Mains) Mock Test 2025 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
If \(\rm \frac{(\sec A+\tan A)}{\sec A-\tan A}=2\frac{51}{79}\) then the value of sin A is equal to:
1
\(\frac{87}{169}\)
2
\(\frac{65}{144}\)
3
\(\frac{77}{144}\)
4
\(\frac{61}{169}\)