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Mathematics
Mathematics
Problem
Calculate
sin
(
7
π
6
)
\displaystyle \sin\left(\frac{7\pi}{6}\right)
sin
(
6
7
π
)
. a)
−
1
3
-\dfrac{1}{\sqrt3}
−
3
1
b)
−
1
2
-\dfrac12
−
2
1
c)
1
2
\dfrac12
2
1
d)
−
3
2
-\dfrac{\sqrt3}{2}
−
2
3
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