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Mathematics
Mathematics
Problem
a. (i) Express
sec
(
90
∘
−
x
)
\sec(90^\circ - x)
sec
(
9
0
∘
−
x
)
in terms of a basic trigonometric ratio of
x
∘
x^\circ
x
∘
. b. (ii) Using your result from (i), find the value of
sec
(
90
∘
−
x
)
\sec(90^\circ - x)
sec
(
9
0
∘
−
x
)
when
x
=
30
∘
x = 30^\circ
x
=
3
0
∘
.
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