F.TR.B.5 - Model Periodic Phenomena with Trigonometric Functions

A sound engineer is modeling the vibration of a speaker cone.

The tip of a wind turbine blade moves up and down as the blade rotates.

Over a year, the number of daylight hours in a certain city varies between 9 hours and 15 hours.

In a physics lab, the vertical position y(t), in centimeters, of a mass on a spring is modeled by

A surfer is modeling the height w(t) of ocean waves (in meters) relative to the average sea level.

A scientist is modeling the depth H(t) of the water in a harbor (in meters) due to tides.

A student is modeling the average daily temperature in a mountain town (in °C).

During a workout, a runner’s heart rate is modeled by

At an amusement park, the height of a rider on a Ferris wheel is being modeled.

In a physics class, students are studying alternating current (AC).