The graph of one complete period of a cosine curve is given. 1 9\" x. 2 (a) Find the amplitude, period, and horizontal shift. [Assume the absolute value of the horizontal shift is less than the period.) amplitude penod horizontal shift (b) Write an equation that represents the curve in the form 3/ = a cos(k(x 15)). The graph of one complete period of a cosine curve is given. 10 X 10 (a) Find the amplitude, period, and horizontal shift. (Assume the absolute value of the horizontal shift is less than the period.) amplitude period horizontal shift (b) Write an equation that represents the curve in the form y = a cos(k(x - b)). y =The graph of one complete period of a sine curve is given. 3 y (a) Find the amplitude, period, and horizontal shift. (Assume the absolute value of the horizontal shift is less than the period.) amplitude period horizontal shift (b) Write an equation that represents the curve in the form V = a sin(k(x b1)