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Home > PC > Chapter 4 > Lesson 4.3.2 > Problem 4-139

4-139.

Verify the following trigonometric identities. Intermediate steps may involve complex fractions.

  1. 1. Change all terms to sine and cosine.
    2. Get a common denominator.

  1. 1. Change all terms to sine and cosine.
    2. Get a common denominator.
    3. Use the Fundamental Pythagorean Identities.