sin^2x +sin^2(x+Pie/3)+sin^2(x-pie/3)=(2/3)^-1
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0
Answer:
f
(
x
)
=
sin
2
x
+
sin
2
(
x
+
π
3
)
+
cos
x
cos
(
x
+
π
3
)
a
n
d
g
(
5
4
)
=
1
,
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