The Unit Circle

Question 1

Find the coordinates of the point (a, b). a = ?

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/EVresources/3111-13-04-10-05-task/mc001-2.jpg

Question 2

b = ?

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/EVresources/3111-13-04-10-05-task/mc002-2.jpg

Question 3

cos(270°) =

Revolt · Accepted Answer

0

Question 4

sin(270°) =

Revolt · Accepted Answer

–1

Question 5

tan(270°) =

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undefined

Question 6

cos(0°) =

Revolt · Accepted Answer

1

Question 7

sin(0°) =

Revolt · Accepted Answer

0

Question 8

tan(0°) =

Revolt · Accepted Answer

0

Question 9

Which of the following statements shows how to calculate the reference angle for

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/EVresources/3111-13-04-10-10-task/mc001-4.jpg

Question 10

For the given angle , identify the reference angle,

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/EVresources/3111-13-04-10-10-task/mc002-4.jpg

The Unit Circle Answers