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Mathematics
Mathematics
Problem
If
x
sin
(
θ
+
y
)
+
sin
a
⋅
cos
(
θ
+
y
)
=
0
x \sin(\theta + y) + \sin a \cdot \cos(\theta + y) = 0
x
sin
(
θ
+
y
)
+
sin
a
⋅
cos
(
θ
+
y
)
=
0
. Prove that
d
y
d
x
=
sin
2
(
θ
+
y
)
sin
a
\frac{dy}{dx} = \frac{\sin^2(\theta + y)}{\sin a}
d
x
d
y
=
s
i
n
a
s
i
n
2
(
θ
+
y
)
.
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