Answer:
The exact value of cos(45°) is √(2) / 2.
Step-by-step explanation:
Answer:
N/A.
Step-by-step explanation:
I will not answer your question and I will be flagging it due to you adding a test/exam question.
10 + f = 10
-10 -10
f = 10 - 10
f = 0.
The slope of the line is 
(or just 2) as it rises by 2 units and runs to the left by 1 unit.
