What is going on in the last two steps? Is it that 2x must be the value that makes sin theta = sqrt(3)/2 and so it must be pi/3 or 2pi/3 or even integer multiples thereof and the second step we divide by two to get x?
Last edited by kingsolomonsgrave; October 24th 2012 at 09:52 AM.
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Yes, that's what happens. Let then we obtain the equation We have two different solutions now: which gives us (if we divide both sides by 2) where
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