Welcome to Trigonometry Online
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  • Algbebra Review
    • Moving Graphs
    • Composing Functions
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  • Trig Functions
    • Intro to Trig Functions
    • Finding side lengths
    • Finding Angle Measures
    • Special Right Triangles
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  • Unit Circle
    • Angles and Degrees
    • Angles and Radians
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  • Transformations
    • Pre-Knowledge
    • Graphing Sin and Cos
    • Graphing Sec and Csc
    • Graphing Tan and Cot
    • Real World Application
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  • Identities
    • Pre-Knowledge
    • Pythagorean Identities
    • Odd & Even
    • Sum & Difference
    • Quizzes
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  • Equations
    • Half Angle
    • Double Angle
    • Solving
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  • Law of Sin & Cos
    • Law of Sines
    • Law of Cosine
    • Solving Triangles
    • Area of Trigangles
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Objective

To use the odd and even trigonometry identities to justify the validity of each trigonometry statement.

Web Resources

http://www.mathwords.com/o/odd_even_identities.htm        List of the odd and even properties

http://www.sparknotes.com/math/trigonometry/trigonometricidentities/section2.rhtml        Another was to view the odd and even functions.

Lesson Video

Pay Attention to the Following:

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