cos(45^(@)-A)cos(45^(@)-B)-sin(45^(@)-A)...

`cos(45^(@)-A)cos(45^(@)-B)-sin(45^(@)-A)sin(45^(@)-B)` बराबर है-

A

`sin(A+B)`

B

`sin(A-B)`

C

`cos(A+B)`

D

`cos(A-B)`

लिखित उत्तर

Verified by Experts

The correct Answer is:

A

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