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The value of cos^(2)10^(@)-cos10^(@) cos...

The value of `cos^(2)10^(@)-cos10^(@) cos 50^(@) + cos^(2) 50^(@)` is

A

`(3)/(2) (1+ cos 20^(@))`

B

`(3)/(4)`

C

`(3)/(2)`

D

`(3)/(2) + cos 20^(@)`

Text Solution

Verified by Experts

The correct Answer is:
B
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