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# Intro to Trig Identities 3 Lessons, References + 6 Assignments for Power Point

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### PRODUCT DESCRIPTION

Assignments #1 - #4 can be used at socrative.com and the socrative share numbers are included in the files.

The main trig identities investigated in these files are:
1. The odd/even identities such as sin(-x)=-sinx and cos(-x)=cosx
2. The cofunction identities such as tan(90-x)=cotx
3. The Reciprocal identities such as 1/cosx=secx
4. The Pythagorean identities such as sin^2x + cos^2x=1

Included in this zip folder are 11 Power Point files. 3 are introductory lessons, 2 are printable references and 6 are assignments. A brief description of each:

Intro #1 is a 52 slide presentation. The learner is introduced to odd/even identities and co-function identities. There are 10 formative assessment questions in the file.

Intro #2 is a 34 slide presentation. The learner is introduced to the Pythagorean identities. The identity sin^2x + Cos^2x=1 is proved in a 2 column proof table. Also, 1 + tan^2x=sec^2x is given as a printable. This file is free in the preview file.

Intro #3 is 31 slide presentation. The learner is introduced to reciprocal functions. 4 formative assessment questions are include in the file.

Reference #1 is a comprehensive 1 page printable of many trig identities.

Reference #2 is a printable of graphs and rules for odd and even functions.

Assignment #1 is a 15 question multiple choice assignment. The emphasis is using the cofunction and odd/even identities to recognize an equivalent value. It is on 1 page for easy printing.

Assignment #2 is a 15 question multiple choice assignment. The emphasis is using the cofunction, reciprocal and odd/even identities to recognize an equivalent value. It is on 1 page for easy printing.

Assignment #3 is like #2

Assignment #4 is a 15 question multiple choice assignment. The emphasis is 3 3 identities previously use + Pythagorean Identities. It is on 1 page for easy printing.

Assignment #4A is a 15 question multiple choice assignment. The emphasis is the Pythagorean identities and relating them to a right triangle. It is on 1 page for easy printing.

Assignment #5 is a 15 question multiple choice assignment. The answers are a bit unusual. There are 27 choices of answers. The student uses all 4 of the main identities accumulated in this file to find the best answer.

Thank you for looking
Total Pages
100+
Answer Key
Included
Teaching Duration
1 Week

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