Question

What is cos A for the triangle shown?

Answer 1

can you post the work

Answer 2

the cosine Blank is undefined :P

Answer 3

cos = adjacent/hypotenuse
cos = a/c

Answer 4

http://www.mathwords.com/s/s_assets/s126.gif

Answer 5

okay ima work on it right now

Answer 6

thank you @shilo15 and @jdoe0001

Answer 7

@jdoe0001 I still don't get it tho

Answer 8

what are the answer choice

Answer 9

... you want the cosine of B
the longest side in the triangle is the hypotenuse

the side "facing off" the angle, is the OPPOSITE angle
so what's the value of the side opposite to angle B?

Answer 10

15/17

Answer 11

and the "other" side that's not facing off the angle, and is not the longest, is the "adjacent side"

Answer 12

@shilo15 the answers are A.8/17 B.15/17 C.8/15 D.17/8

Answer 13

okay

Answer 14

@jdoe0001 ur confusing me

Answer 15

my understanding is that you'd know this by now, otherwise the exercise on this material wouldn't be used

Answer 16

its B

Answer 17

@tem0c_00