Find two equations for each sinusoidal wave such that one equation is of the form y = Asin...

Find two equations for each sinusoidal wave such that one equation is of the form y = Asin(Bx) or y = Acos(Bx), A, , and the other is of the form y = Asm[B(x - C)] or y = A cos[B(x - C)\ for A, B > 0, -π