dumbbeanie
contestada

17) HELP I have the answer I just need to show the work

Which trig ratio or formula should you use to find “c”?

Answer: B

Don’t give me the answer I already know it just show the work pls

17 HELP I have the answer I just need to show the work Which trig ratio or formula should you use to find c Answer B Dont give me the answer I already know it j class=

Respuesta :

Here

cos25°=BC/AB=8/c

c=8/cos25°

so cos function is helpful here

really a dum.beannie

xjxccax

Answer:

b) cos25

c = 7.248 or 7.2

Step-by-step explanation:

Cosine = [tex]\frac{adjacent}{hypothenuse}[/tex]

Cos 25 = [tex]\frac{8}{c}[/tex]

Cos of 25 is 0.906

0.906 = [tex]\frac{8}{c}[/tex]

Multiply 8 on both sides:

0.906 x 8 = [tex]\frac{8}{c}[/tex] x 8

7.248 = c