Mathematics, 29.01.2020 14:00 trevorhenyan51
9x+y=10 convert to a polar equation in terms of r and theta
Answers: 3
![\bf 9x+y=10\qquad \begin{cases} x=rcos(\theta)\\ y=rsin(\theta) \end{cases}\implies 9rcos(\theta)+rsin(\theta)=10 \\\\\\ r[9cos(\theta)+sin(\theta)]=10\implies r=\cfrac{10}{9cos(\theta)+sin(\theta)}](/tpl/images/0482/1476/f7271.png)
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