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Mathematics
Mathematics
Problem
Find the value of
sec
θ
\sec \theta
sec
θ
if
cos
θ
=
2
7
\cos \theta = \dfrac{2}{7}
cos
θ
=
7
2
. a)
7
5
\dfrac{7}{5}
5
7
b)
7
2
\dfrac{7}{2}
2
7
c)
2
7
\dfrac{2}{7}
7
2
d)
49
4
\dfrac{49}{4}
4
49
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