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Mathematics
Problem
The value of
sin
(
90
∘
−
A
)
cos
A
\dfrac{\sin(90^\circ - A)}{\cos A}
cos
A
sin
(
9
0
∘
−
A
)
, where
0
∘
<
A
<
90
∘
0^\circ < A < 90^\circ
0
∘
<
A
<
9
0
∘
, is a)
tan
A
\tan A
tan
A
b) 1 c)
sec
A
\sec A
sec
A
d)
cot
A
\cot A
cot
A
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