## Module 4 - Topic 1 - Lesson 4 - The Sine and Cosine Functions

**Essential Question(s):**

How are the sine and cosine functions created?

What are the characteristics of the sine and cosine functions?

**Follow the steps to complete your notes and review the content.**

**STEP 1: Preparation**

__Title__your spiral with the heading above,

__copy__the essential question(s), and draw your border line for the Cornell notes.

**STEP 2: Textbook**

__Answer__the follow questions by using your workbook.

__Read__more than enough to ensure a complete answer to the question.

Following a

__Cornell notes format__, the questions should be written in the left-hand column and with the answers to the right of the question.

Make sure to

__write enough to answer the question__.

***Make sure the completed unit circle on page 61 is in your notes.***

__Getting Started__

- What does SOHCAHTOA represent?
- What are the special right triangle relationships?

__Activity 4.1__

- How are the coordinates of the unit circle created?

__Activity 4.3__

- How are the sine and cosine graphs created?
- Why are the sine and cosine functions considered periodic?
- What are the characteristics of the sine and cosine function? (Cut out or copy the table on page 60)

**STEP 3: Mathia**

__Copy__down diagrams, expressions, and other essential work

__from problems that help illustrate the topic(s) covered__.

- Module 5 - Unit: Graphs of Trigonometric Functions

**STEP 4: Self-check**

Perform a self-check after the lesson is completed in class by asking yourself the following question:

*"Can you*

__answer__the essential question(s)__completely__?"- Yes? Awesome job! You took
__effective notes__, and__paid attention__. You are on your way to success! :D - No? Ok. We all have struggles.
__Determine__why you said no, r__evise__your notes and self-check again.__Do not get discouraged__.