Which of the following is rectangular equation of the polar equation; r = 4cos6+8sino?
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Answer:
Step-by-step explanation:
Explanation:
r
=
3
cos
θ
⇒
r
2
=
3
r
cos
θ
Use your conversions:
r
2
=
x
2
+
y
2
r
cos
θ
=
x
r
sin
θ
=
y
⇒
x
2
+
y
2
=
3
x
You can also put this into the regular circle form
⇒
x
2
−
3
x
+
9
4
+
y
2
=
9
4
⇒
(
x
−
3
2
)
2
+
y
2
=
9
4
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