Casio fx-9860GII - 1.16 Finding an inverse function

(4a) How to change radian and degree mode using the Casio fx-9860GII
1. From the main menu, highlight the RUN•MAT icon
and press l.
2. Press Lp(SET UP). Scroll down to Angle and press
q(Deg) for degree mode or w(Rad) for radian mode.
(4b) How to make a periodic function of the ferris wheel using the Casio fx-9860GII
The following data displays the height of one of the ferris wheel capsules above the ground
during one 30 minute rotation. Enter the data into lists on the calculator and graph.
Time (min)
Total Height of
Capsule (m)
1
16.6
2 21.5
4 39.8
8 97.8
12 150.7
16 163.4
20 127.5
24 66.8
28 21.5
30
15