railway RRB Technician Grade 3 Mock Test 2024 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
If a cot θ = b, then the value of \(\frac{a\ cos \theta - b\ sin \theta}{a\ cos \theta + b\ sin \theta}\) = ?
1
a – b
2
2a
3
0
4
a + b