SOLUTION: Solve this equation for 0≤θ≤2 : 2 cos θ+√3 =0. A. 2π/3 B. 5π/6 C.π/6

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Question 1087699: Solve this equation for 0≤θ≤2 : 2 cos θ+√3 =0.
A. 2π/3
B. 5π/6
C.π/6
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.
2%2Acos%28theta%29%2Bsqrt%283%29 = 0  ====>

cos%28theta%29 = -sqrt%283%29%2F2  ====>

theta = 5pi%2F6  or/and  theta = 7pi%2F6.

Solved.

To see more solved problems/samples of this kind, look into the lessons
    - Solving simple problems on trigonometric equations
    - Solving typical problems on trigonometric equations
    - Solving more complicated problems on trigonometric equations
    - Solving advanced problems on trigonometric equations
    - OVERVIEW of lessons on calculating trig functions and solving trig equations
in this site.


Also, you have this free of charge online textbook in ALGEBRA-II in this site
    - ALGEBRA-II - YOUR ONLINE TEXTBOOK.

The referred lessons are the part of this online textbook under the topic "Trigonometry: Solved problems".