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Home > PC > Chapter 6 > Lesson 6.3.2 > Problem 6-124
6-124.
Prove that the following trigonometric equations are true.
1. Change all terms to sine and cosine.
2. Get a common denominator for the terms in the parentheses.
3. Use the Fundamental Pythagorean Identity.
1. Multiply out on the left side.
2. Use the Fundamental Pythagorean Identity.