6. Solve 2 cos²x+cos x = 1, for 0 < x < 2n 7. Given an oblique triangle with b = 14, c = 17, and y = 66°, find a.
6. Solve 2 cos²x+cos x = 1, for 0 < x < 2n 7. Given an oblique triangle with b = 14, c = 17, and y = 66°, find a.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 59E
Question
I need some help with question 7 please
Transcribed Image Text:6. Solve 2 cos²x+cos x = 1, for 0 < x < 2n
7. Given an oblique triangle with b = 14, c = 17, and y = 66°, find a.
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