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Solve on the interval [0, 2pi) 1- cos theta = 2- sqt3/2
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A. 2pi/3, 4pi/3 B. pi/6, 5pi/6 C. pi/6, 11pi/6 D. 7pi/6 , 11pi/6
say cos theta is x 1-x = 2-3^0.5/2......is this the qn?
i think yes
C
sry......x=-1+cos(30)....
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