cos 1^(@) ."" cos 2^(@) ."" cos 3^(...

` cos 1^(@) ."" cos 2^(@) ."" cos 3^(@) "…." cos 179 ^(@)=`................. A) 0 B) 1 C) -1/2 D) -1

A

0

B

1

C

`-1/2`

D

`-1`

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The correct Answer is:

A

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