railway RRB Technician Grade 3 Mock Test 2024 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
જો a cot θ = b હોય, તો \(\frac{a\ cos \theta - b\ sin \theta}{a\ cos \theta + b\ sin \theta}\) ની કિંમત શું છે?
1
a - b
2
2a
3
0
4
a + b