bryson5478 bryson5478
  • 01-10-2017
  • Mathematics
contestada

Write the parametric equations x = 4 \sin^2 \theta , \quad y = 3 \cos^2 \theta in the given cartesian form.

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caylus
caylus caylus
  • 01-10-2017
Hello,

[tex]\left{x = 4 \sin^2 \theta , \quad y = 3 \cos^2 \theta}\\\\ sin^2(\theta)= \dfrac{4}{x} , \quad cos^2(\theta)= \dfrac{3}{y} \\\\ sin^2(\theta)+cos^2(\theta)= \dfrac{4}{x} + \dfrac{3}{y} \\\\ \dfrac{3}{y}=1-\dfrac{4}{x}\\\\ y=\dfrac{3x}{x-4} [/tex]
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