1.

If sin(A + B) = cos(A - B) = \(\frac{\sqrt 3}{2}\) and A and B are acute angle. The measures of angles A and B (in degrees) will be:

A. A = 60 and B = 30
B. A = 45 and B = 15
C. A = 45 and B = 45
D. A = 15 and B = 45
Answer» C. A = 45 and B = 45


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