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Mathematics, 04.06.2020 19:11 charisaramsey

Tính giá trị biểu thức :A= \frac{sinacosa}{ {sin}^{2}a  -  {cos}^{2}a }
biết tana=3/5

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Answers: 1

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Tính giá trị biểu thức :A=
biết tana=3/5...
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