Mathematics: Q7 q16.) convert the polar equation to a rectangular equation.

Q7 q16.) convert the polar equation to a rectangular

Ответ:

leandrogarin37p2g5ds

14.03.2022

In polar coordinates, we have

$x=r\cos\theta\implies\cos\theta=\dfrac xr$
$y=r\sin\theta\implies\sin\theta=\dfrac yr$

From this we can write

$\tan\theta=\dfrac{\sin\theta}{\cos\theta}=\dfrac{\frac yr}{\frac xr}=\dfrac yx$

If $\theta=\dfrac{4\pi}3$ , then $\tan\theta=\sqrt$ , so we get

$\dfrac yx=\sqrt3\implies y=\sqrt3\,x$

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Ответ:

thatonestudent2271

30.10.2020

Mathematics

(a)

(3,21) (6,12)

(b)

m=12-21 = -9 =-3

6-3 3

(c)

m=12-21 = -9 =-3

6-3 3

(d)

His delivery decreased by 3 every day

(his delivery was -3 every day)

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Q7 q16.) convert the polar equation to a rectangular equation.

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