# unit 7 end checkpiont apply trigonometric functions, assignment help

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Trigonometric Functions Assignment
1) Example of an equation giving the value of the Cosine function for an angle measure in
its domain:
1
cos(60°) =
2
The equation in the form of an inverse function:
1
arcos ( ) = 60°
2
Another example:
The equation is:
cos(90°) = 0
The equation in the form of an inverse function:
arcos(0) = 90°
2) Example of an equation of a trigonometric function with a phase shift of -45°:
𝑦 = cos⁡(𝑥 − 45)
The graph of the function:
y= cos (x-45)
1
0.8
0.6
0.4
0.2
0
-360

-270

-180

-90

-0.2

0

-0.4
-0.6
-0.8
-1
cos (x-45)

90

180

270

360

The parent graph:
𝑦 = cos⁡(𝑥)
y= cos(x)
1
0.8
0.6
0.4
0.2
0
-360

-270

-180

-90

-0.2

0

90

180

270

360

-0.4
-0.6
-0.8
-1
y= cos(x)

3) to find the average temperature and the maximum and minimum predicte...

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