railway RRB JE (CBT I + CBT II) Mock Test 2024 Electromagnetic Theory Vector Calculus Curvilinear Coordinates
Find the distance from C to D if the coordinates are given as C (-3, 2, 1) and D (r = 5, θ = 20°, Φ = -70°).
1
5.99 unit
2
9.07 unit
3
7.90 unit
4
6.29 unit