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Mathematics
Mathematics
Problem
Find all solutions of
3
sin
x
+
6
sin
x
cos
x
=
0
3\sin x + 6\sin x\cos x = 0
3
sin
x
+
6
sin
x
cos
x
=
0
in the interval
[
0
,
2
π
)
[0,2\pi)
[
0
,
2
π
)
. a)
0
,
π
3
,
π
,
5
π
3
0,\;\dfrac{\pi}{3},\;\pi,\;\dfrac{5\pi}{3}
0
,
3
π
,
π
,
3
5
π
b)
0
,
π
,
2
π
0,\;\pi,\;2\pi
0
,
π
,
2
π
c)
0
,
2
π
3
,
π
,
4
π
3
0,\;\dfrac{2\pi}{3},\;\pi,\;\dfrac{4\pi}{3}
0
,
3
2
π
,
π
,
3
4
π
d)
2
π
3
,
π
,
4
π
3
,
2
π
\dfrac{2\pi}{3},\;\pi,\;\dfrac{4\pi}{3},\;2\pi
3
2
π
,
π
,
3
4
π
,
2
π
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