Sine and Cosine - Review for Quest

Question 1

Which of the following is a coterminal angle with 120 degrees?

Accepted Answer

480 degrees

Question 2

What's the amplitude of this graph?

Accepted Answer

4

Question 3

Is the equation y = 2sin(x) - 1 correct for the following graph?

Accepted Answer

no

Question 4

What's the equation for this function?

Accepted Answer

y = -2 cos (2x) + 3

Question 5

What's the equation of this graph?

Accepted Answer

y = 2sin(x+π), y = -2sin(x)

Question 6

What's the graph's midline?

Accepted Answer

-1

Question 7

What's the equation of this graph?

Accepted Answer

0.5cos(3x)

Question 8

What is the equation of this graph?

Accepted Answer

y = 3sin(x) - 1

Question 9

What's the angular speed (frequency) for this graph?

Accepted Answer

3

Question 10

Ready for the Quest?

Accepted Answer

yes

Question 11

What is the sin (270)?

Accepted Answer

-1

Question 12

What's the equation of this graph?

Accepted Answer

y = sin(x + π/2), y = cos(x)

Question 13

Describe the transformations in the equation?

Accepted Answer

vertical stretch by 3, shift π right, shift up 4

Question 14

What's the equation of this graph?

Accepted Answer

y = -4 sin (3x)

Question 15

What is cos (60)?

Accepted Answer

1/2

Question 16

4π represents what part of this graph?

Accepted Answer

period

Question 17

What's the period of this graph?

Accepted Answer

2π

Question 18

How many radians are equivalent to 330 degrees?

Accepted Answer

- π/6, 11π/6

Question 19

What's the equation of this graph?

Accepted Answer

y = - 2cos(x)+3

Question 20

What's the amplitude of this graph?

Accepted Answer

2

Question 21

What is the midline of this graph?

Accepted Answer

y = 3

Questions 21