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Evaluate : cos1^(@)cos2^(@)cos3^(@). . ...

Evaluate : `cos1^(@)cos2^(@)cos3^(@). . . cos179^(@)`

A

`-1`

B

0

C

1

D

`1/sqrt2`

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The correct Answer is:
B
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DISHA PUBLICATION-TRIGONOMETRY AND ITS APPLICATIONS-Practice Exercise (Foundation Level)
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