Answer:
cot(∅) = 
Step-by-step explanation:
tan ∅ and cot ∅ are inverse functions
therefore the inverse of
tan ∅ = √15 / 10
is equal to
cot ∅ = 10 / √15
Rationalizing the denominator
* 
cot ∅ = 
Answer:
ok? wahts the question?
Step-by-step explanation:
Answer: A isn't a function
Step-by-step explanation:
Answer:
The answer is <em><u>x = 4√
−
9
, −
4
√
−
9</u></em>!
The 4 is a part of the radical (-9^1/4)