A2T Chapter 13 - Unit Circle

Question 1

The terminal side of a -4π/3 angle lies in which quadrant?

Accepted Answer

II

Question 2

Find the arc length if r = 6 cm and Θ = 3π/2.

Accepted Answer

9π

Question 3

Find the exact value of csc π

Accepted Answer

undefined

Question 4

The terminal side of a 7π/4 angle lies in which quadrant?

Accepted Answer

IV

Question 5

Find the exact value of sec (2π/3)

Accepted Answer

-2

Question 6

What is the period of y = 2 tan Θ?

Accepted Answer

π

Question 7

What is the phase shift of y = 2 cos (Θ - π) + 3

Accepted Answer

π to the right.

Question 8

Find the exact value of cos (-π/3)

Accepted Answer

1/2

Question 9

What is the period of y = 2 cos Θ?

Accepted Answer

2π

Question 10

What is the vertical shift of y = -2 sin (Θ/2) + 1

Accepted Answer

1 up

Question 11

What is the reference angle of -7π/6?

Accepted Answer

30°

Question 12

Convert 3π/4 to degrees.

Accepted Answer

135°

Question 13

What is the reference angle of 5π/4 in degrees?

Accepted Answer

45°

Question 14

Find the arc length is r = 9 cm and Θ = 60°.

Accepted Answer

3π

Question 15

Find the exact value of cos (-270°)

Accepted Answer

0

Question 16

Find the exact value of sin (3π/2).

Accepted Answer

-1

Question 17

Find the exact value of cot (-5π/6)

Accepted Answer

√3

Question 18

What is the period of y = 3 sin 2Θ ?

Accepted Answer

π

Question 19

Convert 7π/6 to degrees.

Accepted Answer

210°

Question 20

The terminal side of a -300° angle lies in which quadrant?

Accepted Answer

I

Question 21

Which of the following angles is NOT coterminal to the others?

Accepted Answer

-11π/6

Question 22

What is the reference angle of 120°?

Accepted Answer

60°

Question 23

Convert 330° to radians.

Accepted Answer

11π/6

Question 24

Where does a cycle of y = 2 cos Θ begin?

Accepted Answer

2 above the center line.

Question 25

Find the exact value of tan (5π/4)

Accepted Answer

1

Question 26

Find the exact value of tan (300°)

Accepted Answer

-√3

Question 27

Which of the following angles is NOT coterminal to the others?

Accepted Answer

-120°

Question 28

What is the amplitude of y = 3 sin 2Θ ?

Accepted Answer

3

Question 29

The terminal side of a 220° angle lies in which quadrant?

Accepted Answer

III

Question 30

Which is an asymptote of y = tan Θ?

Accepted Answer

x = π/2

Question 31

What is the reference angle of -330°?

Accepted Answer

30°

Question 32

Which of the following angles is NOT coterminal to the others?

Accepted Answer

-3π

Question 33

Which of the following angles is NOT coterminal to the others?

Accepted Answer

-π/2

Question 34

Find the exact value of sin (210°).

Accepted Answer

-1/2

Question 35

Convert 180° to radians.

Accepted Answer

π

A2T Chapter 13 - Unit Circle

Questions 35

A2T Chapter 13 - Unit Circle

Questions 35