**Unit 4:**

Trig. Functions &

Their Graphs

Trig. Functions &

Their Graphs

Created by:

Amplitude

Lesson 20

How does it appear in an equation?

Is the amplitude different

if you use sine or cosine?

**Sine**

**Cosine**

**Secant**

**Cosecant**

Tangent

Cotangent

How can it be measured

from a graph?

Period & Frequency

Lesson 21

How can it be measured

from a graph?

How does it appear in an equation?

Is the period different

if you use sine or cosine?

Period & Frequency:

Vertical Shift

Lesson 22

How can it be measured

from a graph?

How does it appear in an equation?

Is the vertical shift different

if you use sine or cosine?

Phase Shift

Lesson 23

How can it be measured

from a graph?

How does it appear in an equation?

Is the phase shift different

if you use sine or cosine?

Intercepts & Solutions

Lesson 24

Interference & Composites

Lesson 27

How many function values are there for a particular x-value?

How many x-values have a particular y-value?

How can you find them?

How can you find them?

Equation of a Sinusoidal Wave:

Modeling Periodic Phenomena

Lesson 25

What do you look for?

Graphs of Cofunctions

Lesson 26

Its Equation

Its Graph

Its Graph

Cosecant

Secant

Its Equation

Cotangent

Its Graph

Its Equation

What does it mean to be a composite function?

How does interference work?