Answer:
Step-by-step explanation:
(C). 4a³ + 24ab² - 25b³
Answer:
r = - 29
Step-by-step explanation:
Given
- 3r = 87 ( divide both sides by - 3 )
r =
= - 29
I think you meant "y = 4 arccot (x)."
This is equivalent to:
y
---- = arccot x
4
and so cot (y/4) = x
Answer:
14
Step-by-step explanation: