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Calculate the angle of (a) 1^(@)(degree)...

Calculate the angle of (a) `1^(@)`(degree) (b) 1' (minute of arc or arc minute)

Text Solution

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`360^(@)=2pi and rad, 1^(@)=60',1'=60^(@)`
(a) `360^(@)=2pirad`
`therefore 1^(@)=(2pi)/(360)rad=1.745xx10^(-2)rad`
(b) `1^(@)=60'=1.745xx10^(-2)rad`
`therefore a'=(1.745)/(60)xx10^(-2) and rad cong 2.91xx10^(-4)rad`
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