SOLUTION: If 10cos(theta)=-5√3, then what are the solutions for 0 degrees ≤ theta ≤ 360 degrees?

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Question 194670This question is from textbook Saxon Algebra 2
: If 10cos(theta)=-5√3, then what are the solutions for 0 degrees ≤ theta ≤ 360 degrees? This question is from textbook Saxon Algebra 2

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
If 10cos(theta)=-5√3, then what are the solutions for 0 degrees ≤ theta ≤ 360 degrees
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cos(theta) = -1/(2sqrt(3))
theta = 150 degrees or 210 degrees
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Cheers,
Stan H.