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45. cot²x cot² x cos²x

45. cot²x cot² x cos²x

Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter2: Analytic Trigonometry
Section2.2: Verifying Trigonometric Identities
Problem 25E
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Factoring Trigonometric Expressions In Exercises 45-54, factor the expression and use the fundamental identities to simplify. Use a graphing utility to check your result graphically. 45. cot²x - cot² x cos²x cos²x - 4 47. cos x 2
Transcribed Image Text:Factoring Trigonometric Expressions In Exercises 45-54, factor the expression and use the fundamental identities to simplify. Use a graphing utility to check your result graphically. 45. cot²x - cot² x cos²x cos²x - 4 47. cos x 2
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