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Mathematics
Mathematics
Problem
Find the value of
sin
90
∘
\sin 90^{\circ}
sin
9
0
∘
. a)
2
2
\frac{\sqrt{2}}{2}
2
2
b)
0
0
0
c)
1
1
1
d)
1
2
\frac{1}{2}
2
1
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