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

sin(270°) =

Revolt · Accepted Answer

–1

Question 3

tan(270°) =

Revolt · Accepted Answer

undefined

Question 4

cos(0°) =

Revolt · Accepted Answer

1

Question 5

sin(0°) =

Revolt · Accepted Answer

0

Question 6

tan(0°) =

Revolt · Accepted Answer

0

Question 7

b = ?

Revolt · Accepted Answer

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

Question 8

cos(270°) =

Revolt · Accepted Answer

0; Use the unit circle to find the value of each trigonometric function at the angle indicated.: 0; Use the unit circle to find the value of each trigonometric function at the angle indicated.: –1; Use the unit circle to find the value of each trigonometric function at the angle indicated.: undefined; Use the unit circle to find the value of each trigonometric function at the angle indicated.: 1

Question 9

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

Question 10

θ = °

Revolt · Accepted Answer

45

The Unit Circle Answers

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