SOLUTION: I would like to know the formula to solve a problem like this h=40 + 30 cos 18t

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Question 808729: I would like to know the formula to solve a problem like this
h=40 + 30 cos 18t
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
h=40 + 30 cos 18t
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If you are solving for "t",
30*cos(18t) = h-40
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cos(18t) = (h-40)/30
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18t = cos^-1[(h-40)/30]
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t = (1/18)*cos^-1[(h-40)/30]
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Cheers,
Stan H.
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