Ch 4 - Trigonometric Functions
Chapter 4 PDF Resource
pre-calc__r__chapter_4.pdf
File Size: 8543 kb
File Type: pdf
Download File
Lecture Notes & Videos
Section 4-1
Angles and Their Measures

-----VIDEO: Converting from D°M'S" to Decimal Form and Vise Versa

-----VIDEO: Converting between Radians and Degrees

-----VIDEO: Coterminal Angles

Trig Formula Sheet

Special Right Triangle Notes

Unit Circle

-----VIDEO: Explaining the Unit Circle and the Connection to Special Right Triangles

Unit Circle Game - An Online Interactive Game
-----VIDEO: Tricks for Memorizing the Unit Circle
Section 4-2
Unit Circle Identities, Reciprocal Identities, Quotient Identities, and Pythagorean Identities

-----VIDEO: Defining Trig Functions Based on a Given Point on the Unit Circle

-----VIDEO: Reciprocal Identities and Quotient Identities

-----VIDEO: Pythagorean Identities

-----VIDEO: Using the Magic Hexagon to find Trig Identities

-----VIDEO: Tricks for Memorizing the Reciprocal Identities

-----VIDEO: Tricks for Finding Angles that Aren't Directly on the Unit Circle
Section 4-3
Cofunction Identities & Right Triangle Trig

-----VIDEO: Cofunction Identities

-----VIDEO: Right Triangle Trigonometry
-----VIDEO: Writing a Trig Equation to Find a Missing Side

-----VIDEO: Finding Inverse Trig Functions on a Calculator

Section 4-4
Trig Functions for a Circle with radius "r" and Reference Angles

-----VIDEO: Tricks for Memorizing the Signs of Trig Functions

Section 4-5
Sine and Cosine Graphs

Section 4-5 (Day 2)
Shifting sin/cos Up and Down

Section 4-6
Tangent and Cotangent Graphs

Sections 4-6 and 4-7
Secant and Cosecant Graphs, and More on Inverse Trig Functions

-----VIDEO: Sketching the Secant & Cosecant Graphs

-----VIDEO: Finding Inverse Trig Functions using a Unit Circle

Worksheets