For Exercise 68, Section 5.2, exercise 68: sin^4 α - cos^4 α / sin ^2 α - cos^2 α=1
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.5: Product-to-sum And Sum-to-product Formulas
Problem 33E
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For Exercise 68, Section 5.2,
exercise 68: sin^4 α - cos^4 α / sin ^2 α - cos^2 α=1
Step 1: Factor the numerator on the left side: sin4α - cos4α =
Step 2: After simplifying on the left hand side the resulting equation is one of the ___________
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