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OpenStudy (anonymous):
Solve 2 cos^2 x – 3 cos x + 1 = 0
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OpenStudy (goten77):
the 0 is right for sure.. 2pi/3 i gotta think bout for a sec
OpenStudy (anonymous):
ok
OpenStudy (goten77):
wait is that cos(x) + 1 or is the +1 inside the cos?
OpenStudy (anonymous):
it is just 2 cos^2 x – 3 cos x + 1 = 0
OpenStudy (goten77):
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