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The approximate value of cos (60^(@) 40'...

The approximate value of `cos (60^(@) 40')," if "1^(@)=0.0175^(@), sin =60^(@)=0.8660` is

A

`0.4898`

B

`0.4899`

C

`5.0202`

D

`5.0101`

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The correct Answer is:
B
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