Jawabanmu

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2014-04-23T20:02:09+07:00
Sin P = 8/4akar5 = (2akar5)/5 cos P = 4/4akar5 = (akar5)/5 tan P = 8/4 = 2 sin R = 4/4akar5 = (akar5)/5 cos R = 8/4akar5 = (2akar5)/5 tan R = 4/8 = 1/2
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