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If sinA = sinB and cos A = cos B, then...

If sinA = sinB` and `cos A = cos B`, then

A

`"sin"(A- B)/(2)= 0`

B

`"sin " (A+ B)/(2)= 0`

C

`"cos" (A - B)/(2)= 0`

D

`cos (A+B)= 0`

Text Solution

Verified by Experts

The correct Answer is:
A
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