2cos^2x+sqrt(3)cosx=0 solution set: {pi/2, 3pi/2, 7pi/6, 5pi/6} I can't figure out how to get those solutions?
2 Answers
See the explanation below
Explanation:
The equation can be written as
which implies, either
If
If
Solve
Explanation:
cos x(2cos x + sqrt3) = 0
a. cos x = 0 -->
b.
Note. The arc
Answers: