Answer:
10√3 / 3
Step-by-step explanation:
cos 30 = 5 / x
x = 5 / cos 30
= 5 / √3 / 2
= 10 √3
= 10√3 / 3
Can you upload a picture or something? This is a random problem similar to this.This is just an example
The answer for this is the last option
I cant see the numbers clearly