Question 628469
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
Take the cos^-1 of both sides to get:
t = cos^-1(-1/3) = 109.47 degrees or 250.53 degrees
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Cheers,
Stan H.
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