0 8.75 17.5 26.25 35

€

35

€

352

=17.5

€

354

= 8.75

€

35•34

= 26.25Four sections of the period

(t=__)

Full Period Half Period Quarter Period 3-Quarter Period

€

8.75+ 2 =10.75

€

17.5 + 2 = 19.5

€

26.25 + 2 = 28.25Four sections of the x-axis

(t=__)

Start First Section Second Section Third Section

0 2 10.75 19.5 28.25 35

€

0 + 2 = 2

0 2 10.75 19.5 28.25 35

151

1

76

0 2 10.75 19.5 28.25 35

151

1

76

The Graph of y=-cos(x)

Minimum

0 2 10.75 19.5 28.25 35

151

1

76

0 2 10.75 19.5 28.25 35

151

1

76H(m)

t(min)