Calculus Examples

Graph r^2=4cos(2theta)
r2=4cos(2θ)
Step 1
Using the formula r2=a2cos(2θ) or r2=a2sin(2θ), where a0, graph the lemniscate.
r2=4cos(2θ)
Step 2
image of graph
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7
7
8
8
9
9
°
°
θ
θ
4
4
5
5
6
6
/
/
^
^
×
×
>
>
π
π
1
1
2
2
3
3
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-
+
+
÷
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<
<
!
!
,
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0
0
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%
%
=
=
 [x2  12  π  xdx ]