Write equations for sinusoids with these characteristics: a. a cosine function with amplitude 1.5, period , and

Write equations for sinusoids with these characteristics:
a. a cosine function with amplitude 1.5, period π, and phase shift -π/2
b. a sine function with minimum value - 5, maximum value -1 and one cycle starting at x = π/4 and ending at x = 3π/4
c. a cosine function with period 6π, phase shift π, vertical translation 3, and amplitude 2