Which one of the following is a solution of the equation 4costheta+6sqrt2=4sqrt2 a. pi/4 b. 7pi/4 c. -3pi/4 d. 5pi/6

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 44E
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Which one of the following is a solution of the equation

4costheta+6sqrt2=4sqrt2

a. pi/4

b. 7pi/4

c. -3pi/4

d. 5pi/6

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