Question

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

Answer 1

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).