How do you convert $r cos θ = 6$ $rcostheta=6$ into rectangular equations?

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Answer 1 · 2018-03-14T16:45:41

Recall that $x = r cos θ$ $x = rcostheta$ . Therefore, $cos θ = \frac{x}{r}$ $costheta = x/r$ .

$r (\frac{x}{r}) = 6$ $r(x/r) = 6$

$x = 6$ $x = 6$

Hopefully this helps!

How do you convert rcostheta=6rcosθ=6rcostheta=6 into rectangular equations?