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Mathematics 9 Online
OpenStudy (anonymous):

Solve 2cos^2x + cosx − 1 = 0 for x over the interval [0, 2 pi ). a. pi and pi/3 b. pi,pi/3,and 5pi/3 c. 1 , 2pi/3 d. 1, 2pi/3, 4pi/3 e. 1, pi/3, 5pi/3

OpenStudy (anonymous):

factor

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