railway RRB Technician Grade 3 Mock Test 2024 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
If sin(A – B) = \(\frac{1}{{2}}\) and cos(A + B) = \(\frac{1}{{2}}\) with 0° < (A + B) \(≤\) 90°, A > B, then find the measure of A and B.
1
40°, 35°
2
35°, 15°
3
25°, 20°
4
45°, 15°