railway RRB Technician Grade 3 Mock Test 2024 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
यदि a cot θ = b, तो \(\frac{a\ cos \theta - b\ sin \theta}{a\ cos \theta + b\ sin \theta}\) = ? का मान ज्ञात कीजिए-
1
a – b
2
2a
3
0
4
a + b