Answer:
A
Step-by-step explanation:
I think you meant "y = 4 arccot (x)."
This is equivalent to:
y
---- = arccot x
4
and so cot (y/4) = x
The answer you are looking for is 25.
2500 / 10² = 25
Since the formula for finding the volume is
V = Pi r² h
I believe the answer would be B
