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Mathematics
Mathematics
Problem
Let
d
y
d
x
=
sec
2
x
\dfrac{dy}{dx}=\sec^{2}x
d
x
d
y
=
sec
2
x
with
y
(
π
4
)
=
0
y(\tfrac{\pi}{4})=0
y
(
4
π
)
=
0
. What is
y
(
3
π
4
)
y(\tfrac{3\pi}{4})
y
(
4
3
π
)
? a)
0
0
0
b)
−
1
-1
−
1
c)
2
2
2
d)
−
2
-2
−
2
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