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2 Solve cos 2x - 2 sinx-cos²x = -3 on the interval x € [0,21].

2 Solve cos 2x - 2 sinx-cos²x = -3 on the interval x € [0,21].

Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter2: Analytic Trigonometry
Section2.4: Sum And Difference Formulas
Problem 7ECP
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Pls help ASAP on both

1. Solve cos 2x - 2 sinx-cos²x = -3 on the interval x € [0, 2π].
Transcribed Image Text:1. Solve cos 2x - 2 sinx-cos²x = -3 on the interval x € [0, 2π].
15. How many solutions exist for sin x cos x = 0 in the interval x = [0, 2+]? 2 b. 3 C. 4 a. d. 5
Transcribed Image Text:15. How many solutions exist for sin x cos x = 0 in the interval x = [0, 2+]? 2 b. 3 C. 4 a. d. 5
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