tan ∅ and cot ∅
tan ∅ is undefined for ∅ = 
and since cot ∅ = 1/ tan ∅ then cot ∅ is also undefined for ∅ = 
Answer:
$18
Step-by-step explanation:
9 multiplied by 2 equals 18.
Hope this helps :)
w = 13
x = 9
y = 1.9
z = 0.5
w + x + y Plug in the numbers for each variable
13 + 9 + 1.9
22 + 1.9
23.9 The third option is your answer
Answer:
x= -1.24, 3.24
Step-by-step explanation:
x² – 2x=4
Bring 4 over
x² – 2x - 4=0
Quadratic formula:
if ax²+bx+c=0
the (+-) = ±
= 3.24
= -1.24
Because if he don’t he wouldn’t keep track on a invention he has made