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Mathematics
Mathematics
Problem
In
△
A
B
C
\triangle ABC
△
A
B
C
, right-angled at
C
C
C
, which of the following ratios equals
sin
A
\sin A
sin
A
? a)
A
C
A
B
\dfrac{AC}{AB}
A
B
A
C
b)
A
B
B
C
\dfrac{AB}{BC}
B
C
A
B
c)
B
C
A
B
\dfrac{BC}{AB}
A
B
B
C
d)
B
C
A
C
\dfrac{BC}{AC}
A
C
B
C
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