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OpenStudy (anonymous):
find the general solution to the following equaiton: 2cos^2-7cosx+3=0
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OpenStudy (tkhunny):
Have you considered the Quadratic Formula? Okay, maybe just factoring. (2*cos(x) - ______)(cos(x) - ______)
OpenStudy (anonymous):
use the substitution u=cosx then solve for u and then solve for x for the 2 cases of u
OpenStudy (anonymous):
Use Quad Formula....
OpenStudy (anonymous):
EXUSE A MUAH!?!?!
OpenStudy (tkhunny):
Seriously, (2*cos(x) - 1)(cos(x) - 3) = 0 Now, what do we do with that?
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