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Right triangle ABCABC has its right angle at C.

AC=12AC=12  and BC=5BC=5 .

Which trigonometric ratios are correct?

Select each correct answer.

 

cosA=1213cosA=1213

sinB=1213sinB=1213

tanB=512tanB=512

sinA=513sinA=513

tanA=1213

 Nov 10, 2018
 #1
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\(cosA=12/13\) so that is right.

\(sinB = 12/13\) so that is right.

\(tanB = 12/5\) so that is not right.

\(sinA=5/13\) so that is right.

\(tanA = 5/12\) so that is not right.

 

You are very welcome!

:P

 Nov 10, 2018

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