Unit 10

Question 1

Trigonometric Function

Answer 1

A function whose rule is defined by a trigonometric ratio

Question 2

Trigonometric Ratio

Answer 2

Compares the lengths of two sides of the triangle specifically in relationship to one of the acute angles

Question 3

Angle is in Standard Form

Answer 3

When the vertex is on the origin and one ray lies on the positive x axis

Question 4

One Radian

Answer 4

The measure of the angle formed when the radius is equivalent to the length of the intercepted arc

Question 5

360 Degrees

Answer 5

2π radians

Question 6

180 Degrees

Answer 6

π radians

Question 7

Coterminal Angles

Answer 7

Angles in standard position with the same terminal side

Question 8

Steps to Using Reference Angles to Find Trig Values

Answer 8

1. Find the measure of the reference angle
2. Identify the trig function for the reference angle
3. Adjust the sign if needed

Question 9

Parent Function

Answer 9

y=sinø

Question 10

Period

Answer 10

The length of a cycle

Question 11

Periodic Functions

Answer 11

Functions that repeat exactly in regular intervals

Question 12

Cycles

Answer 12

Regular intervals periodic functions repeat in

Question 13

General Form

Answer 13

y=a___(b(x-c))+d

Question 14

Frequency

Answer 14

Value used to determine the period

Question 15

a=
b=
c=
d=

Answer 15

a= amplitude
b= frequency
c= phase shift
d= midline value