Question
2cosx + 1 = 0
solve the equation for solutions in the interval : 0 < x < 2pie
those are less than or equal too signs
solve the equation for solutions in the interval : 0 < x < 2pie
those are less than or equal too signs
Answers
bobpursley
cosx=-1/2
Doesnit it go negative in the second quarter?
Doesnit it go negative in the second quarter?