Answer:
This answer is for #1.
Explanation:
When the brachial plexus nerves get stretched or compressed. These are called stingers or burners.
Answer:
D
Explanation:
nonlocomotor movements are often combined with locomotor movements, such as walking and swinging your arms.
Answer:
idk
Explanation:
i try to figer it out but i cant
Answer:
The correct answer is 60%
Explanation:
Answer:
sin a=-4/5
we have sina=perpendicularp/hypotenuseh=-4/5
let p=-4k
h=5k
by Pythagoras theorem
h²=p²+b²
(5k)²=(-4k)²+b²
25k²-16k²=b²
(3k)²=b²
b=√(3k)²=3k
now
cos a =b/h=3k/5k=3/5