Question

Write the sine function with the listed attributes. amplitude: 2/3 period: 3pi phase shift: -2pi / 3 vertical shift: -2

Answer 1

f(t)=(2)/(3)*\cos (4t-3\pi )

Explanation:

Because :D

Answer 2

f(t) = 2/3 sin (1/3t - 2pi/3) - 2

Explanation: