Quiz (Trigonometric Identities)

Show all work and justify each step.

(1) Show the following are not identities:

    (a)
    
    (b)
    
    (c)
    
    (d)
    
(2) Show that the following are identities:

    (a)
    
    (b)
    
    (c)
    
    (d)
    
    (e)
    
(3) Show that if then and

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Cite this as:
Trigonometric Identities Quiz
Published by Library of Math -- Online math organized by subject into topics.
Written by Smith, David A.
http://www.libraryofmath.com/trigonometric-identities-quiz.html