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How was your C2 exam?

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For the trig equation,

did you end up with tanx(2-3cosx) = 0?

cosx = 2/3 etc etc,

so tan-1(0) = 0. I forgot that tan(360) is also 0., which was silly because it fell into the range...right?
Or wait , was it between -pi and pi? In which case, it doesn't matter anyway
 
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