trig

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covert polar equation r = 6/(2-3sinè) to rectangular equation

  • trig -

    2r - 3r sin¤ = 6
    2sqrt(x^2 + y^2) - 3y = 6
    2sqrt(x^2 + y^2) = 3y + 6 =3(y+2)
    4(x^2 + y^2) = 9(y + 2)^2

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