Trig: The Unit Circle, Degrees & Radians 335
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About this Lesson
 Type: Video Tutorial
 Length: 79:52
 Media: Flash video file
 Use: Watch Online
 Access Period: 90 Days
 Posted: 08/05/2009
This lesson is part of the following series:
Trigonometry (13 Lessons) (13 lessons, $33.66)
This 80 minute trigonometry lesson is a study of the Unit Circle (a circle with a radius of one unit) and its x and y coordinates. This lesson will show you how to find the exact value of the six trig ratios of:
 all quadrantal angles 0 or 2 Pi radians, Pi/2 radians, Pi radians, 3Pi/2 radians,
 angles with a reference angle of Pi/4 radians (45 degrees)
 angles with a reference angle of Pi/6 (30 degrees)
 angles with a reference angle of Pi/3 (30 degrees)
This lesson contains explanations of the concepts and 12 example questions with step by step solutions plus 5 interactive review questions with solutions.
Lessons that will help you with the fundamentals of this lesson include:
 300 Basic Trigonometry Part I (http://www.mindbites.com/lesson/5125)
 315 Basic Trigonometry Part II (http://www.mindbites.com/lesson/5123)
 320 Trigonometry on the Coordinate Plane (http://www.mindbites.com/lesson/5122)
 330 Arc Length Solving 1st Degree Trig Equations (Radians) (http://www.mindbites.com/lesson/5130)
About this Author
 Teacher Sydney
 65 lessons
 Joined:
07/03/2009
Teacher Sydney is a certified teacher, B.A., B. Ed. (Math Major). She prepared a math help program consisting of 65 very comprehensive, plain and "no fluff" math video lessons.
These lessons are a convenient and easy way to get math help. Pick and choose only the lesson(s) or packages (series) that you want. There are free previews. You might look at the Transcripts for a quick review of the lesson content.
For a complete list of lessons available on MindBites (mathmadesimple.mindbites.com. To access free previews please see above or visit
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"LIST OF ALL LESSONS".
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This 80 minute trigonometry math help lesson covers the unit circle,
find exact values using quadrantal angles and special angles
Find exact values of angles using special angles (Pi/3, Pi/4, Pi/6, radians) to find exact values for the six trig ratios without the use of a calculator.
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