shyshy4200320
shyshy4200320
15-05-2020
Mathematics
contestada
What is cosA?
a. 12/13
b. 5/13
c. 5/12
Respuesta :
fadedfire07
fadedfire07
15-05-2020
B. 5/13
The formula for cosine is adjacent/hypotenuse.
The line adjacent to angle A has the length of 5. While the hypotenuse has the length of 13.
So 5/13
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