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Numerical value of cos(pi/12)(sin(5pi)/1...

Numerical value of `cos(pi/12)(sin(5pi)/12+cos(pi/4))+sin(pi/12)(cos(5pi)/12-sin(pi/4))`, is

A

`1/2`

B

`3/2`

C

`2+sqrt3`

D

`1+(sqrt3)/(2)`

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