## Lesson - Trigonometric Identities

**Essential Question(s):**

How are trigonometric identities used?

**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__.

Pythagorean Identities

Pythagorean Identities

- What are the three Pythagorean identities?
- How are the pythagorean identities derived?
- How are trigonometric expressions simplified?

__Cofunction Identities__

- What are the cofunction identities?n(see the notes slides for this question).
- How are the cofunction identities used? (see the notes slides for this question).

**STEP 3: 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__.