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Find the valueof 2cos45^(@).cos15^(@):...

Find the valueof `2cos45^(@).cos15^(@)`:

A

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

B

`((sqrt3-1))/2`

C

`(sqrt3+1)/2`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
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