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The value of cos 105^(@) is ...............

The value of `cos 105^(@)` is ............. A) `(sqrt3+1)/(2sqrt2)` B) `(sqrt3-1)/(2sqrt2)` C) `-(sqrt3+1)/(2sqrt2)` D) `(1- sqrt3)/(2sqrt2)`

A

`(sqrt3+1)/(2sqrt2)`

B

`(sqrt3-1)/(2sqrt2)`

C

`-(sqrt3+1)/(2sqrt2)`

D

`(1- sqrt3)/(2sqrt2)`

Text Solution

Verified by Experts

The correct Answer is:
D
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