SOLUTION: Use a graphing calculator to solve the equation -3 cos t =1 in the interval from 0 to 2p. Round to the nearest hundredth.
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Question 870259: Use a graphing calculator to solve the equation -3 cos t =1 in the interval from 0 to 2p. Round to the nearest hundredth.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Use a graphing calculator to solve the equation -3 cos t =1 in the interval from 0 to 2p. Round to the nearest hundredth.
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cos(t) = -1/3
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arccos(-1/3) = 1.9106..
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OR
arccos(-1/3) = -1.9106 or (2pi)-1.9106 = 4.3726...
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Cheers,
Stan H.
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