If sin4A = cos(A - 30), where 4A and (A - 30) are acute angles, then the value of A is ___.

If sin4A = cos(A - 30), where 4A and (A - 30) are acute angles, then t

1.	If sin4A = cos(A - 30), where 4A and (A - 30) are acute angles, then the value of A is ___.
Answer» If sin4A = cos(A - 30), where 4A and (A - 30) are acute angles, then the value of A is ___.