4. A Ferris wheel has a radius of 30 m and its centre is 31 m above the ground. It rotates once in 1 min 20 sec. Suppose you get on at the bottom at time t= 0. %3D a) Draw a graph showing how your height changes above the ground for the first 4 minutes. (Use units of seconds in your horizontal axis

4. A Ferris wheel has a radius of 30 m and its centre is 31 m above the ground. It rotates once in 1 min 20 sec. Suppose you get on at the bottom at time t= 0. %3D a) Draw a graph showing how your height changes above the ground for the first 4 minutes. (Use units of seconds in your horizontal axis

Trigonometry (11th Edition)

11th Edition

ISBN:9780134217437

Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels

Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels

Chapter1: Trigonometric Functions

Section: Chapter Questions

Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.

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Question

4. A Ferris wheel has a radius of 30 m and its centre is 31 m above the ground. It
rotates once in 1 min 20 sec. Suppose you get on at the bottom at time t= 0.
a) Draw a graph showing how your height changes above the ground for the first 4
minutes. (Use units of seconds in your horizontal axis)
b) Write an equation as a cosine function in the form h = ascos
-)+c
+c for
your graph in part (a).
c) Use your equation to determine the exact value of the height you are above the
ground after 25 seconds.
1:13

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