What is the range of the function y = 5sin (θ 60°) - 4?

he range if - 5 ≤ y ≤ 5.

The period is 2π / (π/2) = 4.

The graph passes through (0, 0), has a maximum at (1, 5), crosses the x-axis at (2, 0), then has a minimum at (3. - 5), and crosses the x-axis again at (4, 0).