MATH (Problem Solving)
posted by Anonymous .
Find the general solution algebraically.
2 cos^2x=7cosx3

could it be
2 cos^27cos +3=0
(2cosx 1)(cosx3)=0
posted by Anonymous .
Find the general solution algebraically.
2 cos^2x=7cosx3
could it be
2 cos^27cos +3=0
(2cosx 1)(cosx3)=0