Part 1: Write mathematical equations of sinusoids. 1. The following sinusoid is plotted below. Complete the following steps to model the curve using the cosine function.

a) What is the phase shift, c, of this curve? (2 points)
b) What is the vertical shift, d, of this curve? (2 points)
c) What is the amplitude, a, of this curve? (2 points)
d) What is the period and the frequency factor, b, of this curve? (2 points
e) Write an equation using the cosine function that models this data set. (5 points)

2. The following points are a minimum and a maximum of a sinusoid. Complete the following steps to
model the curve using the sine function.
(4.5, 2), (1.5, 22)

Jeenu here nok nok koi h​

Read the following scene from trifles. mrs. peters. she was piecing a quilt. (she brings the large sewing basket, and they look at the bright pieces.) mrs. hale. it’s log cabin pattern. pretty, isn’t it? i wonder if she was goin’ to quilt or just knot it? (footsteps have been heard coming down the stairs. the sheriff enters, followed by hale and the county attorney.) sheriff. they wonder if she was going to quilt it or just knot it. (the men laugh, the women look abashed.) county attorney (rubbing his hands over the stove). frank’s fire didn’t do much up there, did it? well, let’s go out to the barn and get that cleared up. (the men go outside.) how would a film version most likely emphasize the men’s emotions during this scene? by emphasizing the variety of props used by showing the men’s facial expressions by highlighting the characters’ costumes by focusing on the actions of the women