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In right triangle ABC, m∠C = 90°. if cos B = 5/13, which function also equals 5/13?

In right triangle ABC, m∠C = 90°. if cos B = 5/13, which function also equals 5/13?
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2 votes
In right triangle ABC, m∠C = 90°. if cos B = 5/13, which function also equals 5/13?

User Alejandro Quiroz
by
7.4k points

2 Answers

0 votes
answer is Sin A = 5/13 
User Zodman
by
8.7k points
0 votes

In
\Delta ABC,
C=90^o. Therefore,


image.

Also
image.

Thus,
\sin A equals the given fraction.

User Noah Koch
by
7.9k points
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