Mathematics, 27.07.2019 20:30 leapfroggiez

If cosx = 2/3 and x is in quadrant 4 find: sin(x/2), cos(x/2), and tan(x/2) show steps

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If cosx = 2/3 and x is in quadrant 4 find: sin(x/2), cos(x/2), and tan(x/2) show steps...

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