Question 964553
FInd all solutions 2 cos 2θ − 1 = 0
Find all solutions of the equation.
cos(2t) = 1/2
2t = pi/3
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t = pi/6
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(b) Find the solutions in the interval [0, 2π).
 t = pi/6 or t = -pi/6 because cos(t) = cos(-t)
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Cheers,
Stan H.
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