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.

asked Jan 28, 2022 130k views

5 votes

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7 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)

The Memebot answered Feb 3, 2022

5.4k points

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