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What is the amplitude of the function? y=-2cos(x+30°)+1

1

2

3

-1

What is the period of the function? y=-2cos(x+30°)+1

2π

π/2

π

π/6

What is the horizontal shift of the function? y=-2cos(x+30°)+1

30° to the right

360° to the left

60° to the left

30° to the left

What is the vertical shift of the function? y=-2cos(x+30°)+1

0 unit downward

1 unit downward

1 unit upward

2 units downward

What is the amplitude of the function? y=2cos(x)+3

What is the period of the function? y=2cos(x)+3

What is the horizontal shift of the function? y=2cos(x)+3

zero

What is the vertical shift of the function? y=2cos(x)+3

0 unit

3 units upward

2 units upward

In which quadrant does the terminal side of 1611 lie?

QI

QII

QIII

QIV

If sin θ = -4/5 and θ terminates on QIV, then cot θ is

-3/4

4/3

3/4

-4/3

Identify the quadrant in which angle θ lies if the value of sin θ <0 and cos θ >0

Express as a function of θ : tan(1620° - θ)

cotθ

-cotθ

-tanθ

tanθ

Express as a function of θ : sec(450° - θ)

-cscθ

cscθ

secθ

-secθ

identify the reference angle with respect to x-axis: tan(-510°)

tan30°

tan60°

cot30°

cot60°

Identify the reference angle with respect to x-axis: cos(870°)

cos60°

sin60°

sin30°

cos30°

Convert the following to radians: 20°

π/90

π/60

π/80

Convert the following to radians: -135°

-5π/6

-3π/4

-2π/7

-2π

Convert the following to radians: 1080°

3π/4

6π

5π/7

2π/5

Convert the following to radians: 30°30'

61π/360

54π/180

2π/360

45π/180

Convert the following to radians: 40°60'

89π/360

41π/180

12π/360

Convert the following to degrees: ° 9π/6

270°

180°

95°

60°

Convert the following to degrees: 4π/5

360°

144°

Convert the following to degrees: 10π/3

600°

Convert the following to degrees: 3π/4

135°

185°

65°

Convert the following to degrees: 2π

90°

Given the right triangle, A = 41° 12' 36" C = 90° b = 12.37 What is angle B?

36° 27' 15"

48° 27' 24"

50° 25' 10"

69° 34' 18"

Given the right triangle, A = 41° 12' 36" C = 90° b = 12.37 What is side a?

4.34

11.45

8.10

10.88

Given the right triangle, A = 41° 12' 36" C = 90° b = 12.37 What is side c?

16.47

12.16

17.89

Given the right triangle, a = 14.73 C = 90° b = 18.91 What is side c?

32.97

24.45

23.97

26.12

Given the right triangle, a = 14.73 C = 90° b = 18.91 What is angle A?

36/90

37.92

43.55

54.54

Given the right triangle, a = 14.73 C = 90° b = 18.91 What is angle B?

52.08

60.78

50.21