Solve 2cos^2x + cosx − 1 = 0 for x over the interval [0, 2 π ).
a.π and π/3
b.π, π/3, an...
Mathematics, 16.09.2019 13:20 homer57idkiminatest
Solve 2cos^2x + cosx − 1 = 0 for x over the interval [0, 2 π ).
a.π and π/3
b.π, π/3, and 5π/3
c.1 and 2π/3
d.1, 2π/3, and 4π/3
e.1, π/3, and 5π/3
Answers: 1
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