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.

Algebra ->  Trigonometry-basics -> 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.       Log On


   



Question 870355: 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) About Me  (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 2pi.
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cos(t) = -1/3
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arccos(-1/3) = 1.91 radians or -1.91 radians
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Cheers,
Stan H.
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