Unit Test

Question 1

Find the coordinates of the point (x, y) shown on the unit circle. x = ⇒ -1/2?

Revolt · Accepted Answer

Cannot be determined without the diagram

Question 2

The angles that share the same tangent value as tan(45°) have terminal sides in quadrant IIIIIIV(none of the quadrants).

Revolt · Accepted Answer

III

Question 3

When theta = negative 210 degrees, phi = degrees.

Revolt · Accepted Answer

30

Question 4

Consider all angles whose reference angle is 45° with terminal sides not in Quadrant I.The angles that share the same cosine value as cos 45° have terminal sides in quadrant IIIIIIV(none of the quadrants).

Revolt · Accepted Answer

IV

Question 5

Identify the reference angle Phi for each given angle, Theta . When theta = 300 degrees, phi = degrees.

Revolt · Accepted Answer

Part 1: 60; Part 2: 45; Part 3: 60; Part 4: 30; 60

Question 6

270°360°450°540°

Revolt · Accepted Answer

540°

Question 7

The angles that share the same sine value as sin(45°) have terminal sides in quadrant IIIIIIV(none of the quadrants).

Revolt · Accepted Answer

II

Question 8

When theta = 225 degrees, phi = degrees.

Revolt · Accepted Answer

45

Question 9

y = ?

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/EVresources/3111-13-04-20-01-task/mc001-3.jpg

Question 10

Consider all angles whose reference angle is 45° with terminal sides not in Quadrant I.The angles that share the same cosine value as cos 45° have terminal sides in quadrant .

Revolt · Accepted Answer

IV

Unit Test Answers

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