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Convert to polar form y=3x^2
asked
Sep 17, 2018
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1
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Convert to polar form y=3x^2
Mathematics
college
Moritz Beutel
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Moritz Beutel
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2
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5
votes
r =
2/(
sinθ−3
cosθ)
Step-by-step explanation:
y = r sin θ
x = r
cos θ
Then:
r
sin θ
=3r
cos θ
+ 2
and
r
sin θ
−3r
cos θ
= 2
thus
r
(
sin θ
−3
cos θ
)
=2
⇒r =
2/(
sin θ
−3
cos θ)
Dela
answered
Sep 18, 2018
by
Dela
6.4k
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3
votes
r=2sin0-3cos0
explain
using the formula that links Cartesian to Polar coordinates.
∙y=r
sinθ
∙x=r
cosθ
then :
r
sinθ
=3r
cosθ
+2
and
r
sinθ
−3r
cosθ
=2
hence
r
(
sinθ
−3
cosθ
)
=2
⇒r=
2
sinθ
−3
cosθ
Raamesh Keerthi
answered
Sep 23, 2018
by
Raamesh Keerthi
7.0k
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