Question

What is cos A for the triangle shown?

Answer 1

@Acrazy

Answer 2

http://www.mathwarehouse.com/trigonometry/images/sohcohtoa/sohcahtoa-all.png

Answer 3

I think it might be 8/15 i'm not to good at those sorry (if its wrong)

Answer 4

oh okay , how did you get it tho

Answer 5

@CrazyCountryGirl

Answer 6

IDK I'm Sorry.

Answer 7

ok thank you

Answer 8

@SolomonZelman

Answer 9

OK,
Cosine of an angle is equal to it's adjacent side divided by the hypotenuse.
or

Cos = Adj / Hyp

Answer 10

in your case the ADJACENT side is \({\color{ blue }{15}}\)
and the HYPOTENUSE is \({\color{ blue }{17}}\)

Answer 11

B thank you :)

Answer 12

Yep, it's B, you welcome!

\({\color{ green }{~~✓✓✓}}\)