A person's blood pressure follows a sine wave corresponding to the beats of the heart. A particular individual's blood pressure at time t (measured

A person's blood pressure follows a sine wave corresponding to the beats of the heart. A particular individual's blood pressure at time t (measured in minutes) is

P (t) = 20 sin(160????t) + 110.

What does this tell us about the person's (a) heart rate, (b) systolic and diastolic blood pressure?