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Mathematics
Mathematics
Problem
For the curve defined by
x
=
e
t
cos
t
x=e^{t}\cos t
x
=
e
t
cos
t
and
y
=
e
t
sin
t
y=e^{t}\sin t
y
=
e
t
sin
t
, calculate
d
2
y
d
x
2
\dfrac{d^{2}y}{dx^{2}}
d
x
2
d
2
y
at
t
=
0
t=0
t
=
0
. a)
−
2
-2
−
2
b)
0
0
0
c)
2
2
2
d)
1
1
1
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