railway RRB Technician Grade 1 Mock Test 2024 Quantitative Aptitude Trigonometry Heights and Distances
The height of a tower is h and the angle of elevation of the top of the tower is α. On moving a distance h/2 towards the tower then the angle of elevation becomes β . find the relation between tanβ : tanα ?
1
(2 - tanβ) : 1
2
3 : tanα
3
2 : (2 - tanα)
4
2 : 3