Answer: 0.8
Step-by-step explanation:
Using the Cosine formula :
substituting into the formula , we have
Therefore :
Cosine of angle A = 0.8
Answer:
(2,5)
Step-by-step explanation:
Since it is reflected across the y-axis only the x point will change and vise-versa
Answer:
Step-by-step explanation:
8x+1 = y+10
(8x+1) + (27x +4) =180
Y = x + a number
or it can have numbers in front of the letters