Answer:
x = y/3 - 1/3
Step-by-step explanation:
Equate what is inside cosine with
, base period and solve for x,



Hope this helps :)
Answer:
B. 3408pi
Step-by-step explanation:
formula volume of cone = 1/3 x pi x r x r x h
volume = 1/3 x pi x 12 x 12 x 71
= 3408pi
The answer would be 48...