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Mathematics
Mathematics
Problem
Find the value of
sec
45
∘
\sec 45^\circ
sec
4
5
∘
. a)
2
2
2
b)
1
2
\dfrac{1}{\sqrt{2}}
2
1
c)
2
\sqrt{2}
2
d)
2
3
\dfrac{2}{\sqrt{3}}
3
2
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