Answer:
cos Θ = 
Step-by-step explanation:
Given the angle passes through (4, 5 ) then the right triangle with sides 4 and 5 has hypotenuse h given by
h² = 4² + 5² = 16 + 25 = 41 ( take the square root of both sides )
h = 
In relation to Θ, 4 is adjacent and 5 is opposite, thus
cos Θ = 
=
Answer:
A
Step-by-step explanation:
that's the right answer
Answer:
Step-by-step explanation:
The last one
I hope I helped you.
Answer:
13.45
Step-by-step explanation:
Answer:
1. No
2. No
3. Yes
4. No
5. Yes
6. No
Step-by-step explanation:
If you want to check if a graph is a function, do a vertical line test. For every vertical line, there should be only 1 point on the line if the graph is a function.
