SOLUTION: I need to find all solution to the problem 7 cosx + 1 = 0
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Question 919219
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I need to find all solution to the problem 7 cosx + 1 = 0
Answer by
stanbon(75887)
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find all solution to the problem 7 cosx + 1 = 0
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cos(x) = -1/7
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x = arccos(-1/7) = 98.21 degrees or 261.79 degrees
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Cheers,
Stan H.
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