Asked by Anonymous
Find the general solution algebraically.
2 cos^2x=7cosx-3
2 cos^2x=7cosx-3
Answers
Answered by
bobpursley
could it be
2 cos^2-7cos +3=0
(2cosx -1)(cosx-3)=0
2 cos^2-7cos +3=0
(2cosx -1)(cosx-3)=0
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