10. Solve algebraically for 0

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.3: Quadratic Equations
Problem 39E
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A
10.
Solve algebraically for 0 <x < 2n .
2 cos? x- sin x=-1
sin? x = 2 cos x- 2
a,
b.
с.
cos x + cos 2x = 0
d.
2cos2 x + 3 cos x + 1 0
CasoC
3casse-1
sin? x + 5 sin x +6 = 0
2 cos? x= 1- sin x
e.
f.
Transcribed Image Text:10. Solve algebraically for 0 <x < 2n . 2 cos? x- sin x=-1 sin? x = 2 cos x- 2 a, b. с. cos x + cos 2x = 0 d. 2cos2 x + 3 cos x + 1 0 CasoC 3casse-1 sin? x + 5 sin x +6 = 0 2 cos? x= 1- sin x e. f.
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