ABC is a right-angled triangle with sides 5,12,13. find the cosine of the angle ABC, which lies opposite the large leg.
| May 15, 2021 | education
As you know, cosine is the ratio of the adjacent leg to the hypotenuse.
Therefore, to find out the cosine of the angle ABC, we need to find the ratio of the smaller leg to the hypotenuse (because, according to the problem statement, it is adjacent):
5/13.
Answer: 5/13.
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