According to this diagram, what is cos 28°? 62° 17 8 28° 90° 15 O A. 17 15 O B. 8 17 O c. 15 17 O D. O E. 8 15 15 OF.

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Jason Kotzin asked Apr 12, 2022

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According to this diagram, what is cos 28°? 62° 17 8 28° 90° 15 O A. 17 15 O B. 8 17 O c. 15 17 O D. O E. 8 15 15 OF.

According to this diagram, what is cos 28°? 62° 17 8 28° 90° 15 O A. 17 15 O B. 8 17 O-example-1

Mathematics
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Jason Kotzin asked Apr 12, 2022

by Jason Kotzin

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1 Answer

19 votes

Answer:

C.
Cos(28) = (15)/(17)

Explanation:

Recall: SOHCAHTOA

Thus,

$Cos(\theta) = (Adjacent)/(Hypotenuse)$

Reference angle = 28°

Adjacent = 15

Hypotenuse = 17

Plug in the values

Cos(28) = (15)/(17)

Renaud Bancel answered Apr 19, 2022

by Renaud Bancel

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