Chapter 8

Question 1

Radians to degrees formula

Answer 1

180 degrees
—— = ————
Pie Radians

Question 2

Period Function

Answer 2

A function whose graph repeats in regular intervals or cycles

Question 3

Midline

Answer 3

The horizontal line halfway between the maximum and the minimum values of a periodic function.

Question 4

Amplitude

Answer 4

The distance from the midline to either maximum or minimum value of a periodic function; the amplitude is always expressed as a positive number.

Question 5

Period

Answer 5

The length of the interval of the domain to complete one cycle.

Question 6

Y-intercept of sinx

Answer 6

0

Question 7

Y-intercept of cosx

Answer 7

1

Question 8

Sinusoidal Function

Answer 8

Any periodic function whose graph has the same shape as that of y=sinx

Question 9

What is the amplitude in a sinusoidal equation?

Answer 9

A

Question 10

What is the period in a sinusoidal equation?

Answer 10

360/b or 2pie/b

Question 11

What is the horizontal translation in a sinusoidal function?

Answer 11

C

Question 12

What is the equation of the midline in a sinusoidal equation?

Answer 12

D

Question 13

What is the maximum and minimum values in a sinusoidal equation?

Answer 13

D+A

D-A