In performing a test on a patient, a medical technician used an ultrasonic signal given by the equation I = Asin(t + ). Use a

In performing a test on a patient, a medical technician used an ultrasonic signal given by the equation I = Asin(ωt + ∅). Use a calculator to view two cycles of the graph of I vs. t if A = 5 nW/m², ω = 2 × 10⁵ rad/s, and ∅ = 0.4. Explain how you chose your calculator’s window settings.