Integrated math 3 SohCahToa stuff?

ok so i just don't get this stuff. ok so theres a triangle w/ sides ABC angle C is a 90 degree angle, Angle B is 25 degrees A is unknown, side a is unknown, side c is unknown and side b is 3m c is the hypotenuse. (A & a are opposites) can you help me find a c and A.