The value of cos 15^(@) - sin 15^(@) is...

The value of `cos 15^(@) - sin 15^(@) ` is equal to .................. A) `(1)/(sqrt2)` B) `(1)/(2)` C) `-(1)/(sqrt2)` D) `0`

A

`(1)/(sqrt2)`

B

`(1)/(2)`

C

`-(1)/(sqrt2)`

D

0

Verified by Experts

The correct Answer is:

A

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