- Trigonometry for Right TrianglesChoice D
$$ sin=\frac{Base}{Hyp} $$
Here we have
$$ Base=7 \quad and\quad Hyp=9 $$
Therefore
$$ sinA=\frac{7}{9} $$
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$$ sin=\frac{Base}{Hyp} $$
Here we have
$$ Base=7 \quad and\quad Hyp=9 $$
Therefore
$$ sinA=\frac{7}{9} $$
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