Question

Answer it first.. In simplest way..

Answer 1

a)
2 π = 360°
1° = (2 π) / 360 = 0.0175 rad

b)
1’ = 1°/60 = 0.0175/60 = 0.000291 rad

c)
1” = 1’/60 = 0.000291/60 = 4.8 * 10^-6 rad