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18. Solve 1 - sin² x - 2 cos x cos² x cos x - 2 algebraically -1/3 over the domain -π ≤ x ≤ π. -

18. Solve 1 - sin² x - 2 cos x cos² x cos x - 2 algebraically -1/3 over the domain -π ≤ x ≤ π. -

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 72E
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de ea ir Oᵒn ga 5. 16. Solve sec x + tan² x - 3 cos x = 2 algebraically. Give the general solution expressed in radians. Extend 17. Solve 4 sin² x = 3 tan² x - 1 algebraically. Give the general solution expressed in radians. 18. Solve 1 -- sin² x - 2 cos x 2 cos² x - cos X - 2 algebraically over the domain -T≤x≤T. 19. Find the general solution for the equation 4(16cos²x) = 26 cos x. Give your answer in radians. X 20. For some angles a and 3, sin² a + cos² B = m² and cos² a + sin² ß = m. Find the possible value(s) for m. Create Connections 1 3 C1 Refer to the equation sin x - cos 2x = 0 to answer the following. a) Which identity would you use to
Transcribed Image Text:de ea ir Oᵒn ga 5. 16. Solve sec x + tan² x - 3 cos x = 2 algebraically. Give the general solution expressed in radians. Extend 17. Solve 4 sin² x = 3 tan² x - 1 algebraically. Give the general solution expressed in radians. 18. Solve 1 -- sin² x - 2 cos x 2 cos² x - cos X - 2 algebraically over the domain -T≤x≤T. 19. Find the general solution for the equation 4(16cos²x) = 26 cos x. Give your answer in radians. X 20. For some angles a and 3, sin² a + cos² B = m² and cos² a + sin² ß = m. Find the possible value(s) for m. Create Connections 1 3 C1 Refer to the equation sin x - cos 2x = 0 to answer the following. a) Which identity would you use to
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