If 2cos3B+3cos4A=3 and 2sin3B−3sin4A=0, where 2A and 2B are positive acute angles. If 2A+3B=πJ, then the value of J is
If sin (2A − 3B) = cos (3A + 8B), where (2A − 3B) and (3A + 8B) are acute angles, then what is the value of (A + B)?