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5 votes
5 votes
How can we find the solutions for an equation like 6 cos x = 2 in the interval 0 to 2π?

User Sachi
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1 Answer

4 votes
4 votes

Answer:


x=\arccos(1/3), 2\pi-\arccos(1/3)

Explanation:


6\cos x=2 \\ \\ \cos x=1/3 \\ \\ x=\arccos(1/3), 2\pi-\arccos(1/3)

User Vesii
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