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If sin (90° - α) = BC /CA,write down the ratio of sina.​

If sin (90° - α) = BC /CA,write down the ratio of sina.​
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4 votes
If sin (90° - α) = BC /CA,write down the ratio of sina.​

asked
User Katie H
by
7.6k points

1 Answer

7 votes

Answer:

Explanation:

sin(90-a)=cos

cos = angle adjacent

theta=BC/CA

answered
User Acrogenesis
by
7.7k points
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