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The value of cos ^(2) 10^(@) - cos 10^(@...

The value of `cos ^(2) 10^(@) - cos 10^(@) cos 50^(@) + cos ^(2) 50^(@)` is equal to

A

`4//3`

B

`1//3`

C

`3//4`

D

`3`

Text Solution

Verified by Experts

The correct Answer is:
C
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