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Mathematics
Mathematics
Problem
Evaluate
sin
2
(
π
8
)
\sin^2\left(\dfrac{\pi}{8}\right)
sin
2
(
8
π
)
. a)
2
+
2
4
\dfrac{2+\sqrt{2}}{4}
4
2
+
2
b)
2
−
2
4
\dfrac{2-\sqrt{2}}{4}
4
2
−
2
c)
2
−
2
2
\dfrac{\sqrt{2-\sqrt2}}{2}
2
2
−
2
d)
2
−
2
2
\dfrac{2-\sqrt{2}}{2}
2
2
−
2
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