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OpenStudy (anonymous):
In ΔABC, what is the value of cos B? 5/13 12/13 5/12 13/12
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OpenStudy (anonymous):
OpenStudy (anonymous):
@Directrix
OpenStudy (mathmate):
Hint: cosine of an angle is the length of the adjacent leg divided by the hypotenuse.
OpenStudy (anonymous):
Cos B = Adjacent side / Hypotenuese side = 12 / 13
OpenStudy (anonymous):
B?
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