how to convert 1 arc seconds into radian..???

Asked by riya sinha | 11th May, 2013, 08:10: AM

Expert Answer:

1 arc second is equal to 1/60th of an arc minute and 1 arc minute is equal to 1/60th of 1 degree. Now, 360 degree = 2pi radians
Hence, 1 degree = 2pi/360 radians
Hence, 1 arc minute = 1/60* 2pi/360 = pi/10800 radians
Hence, 1 arc minute = 1/60*pi/10800 radians = pi/648000 radians = 4.84 * 10^-6 radians

Answered by  | 11th May, 2013, 10:14: AM

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