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Mathematics
Mathematics
Problem
If
sin
x
+
sin
y
+
sin
z
=
3
\sin x + \sin y + \sin z = 3
sin
x
+
sin
y
+
sin
z
=
3
. Find the value of
cos
x
+
cos
y
+
cos
z
\cos x + \cos y + \cos z
cos
x
+
cos
y
+
cos
z
.
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