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Mathematics
Mathematics
Problem
Find the value of sec
(
−
19
π
3
)
\left(\frac{-19 \pi}{3}\right)
(
3
−
19
π
)
a)
1
2
\frac{1}{2}
2
1
b) -2 c) 2 d)
−
1
2
-\frac{1}{2}
−
2
1
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