Question 4

Write an equation of a sinusoidal function (sin or cos) with the following

properties:

a)

A sine function with an amplitude of 3, a period of 60, a phase of 45 to the

right and an equation of axis y=-2

b) A cosine function with an amplitude of 2, a period of 45, a phase of 30 to the

left and an equation of axis y=1

c) A sine function with a period of 120, a phase of 45 to the left a maximum y-

value of 7 and a minimum of 3