HOPE THIS HELPS :D
−5√61/ 61
Answer:
The measure of angle A is
Step-by-step explanation:
we know that
Applying the law of cosines
substitute the values and solve for cos(A)
x = 3
y = 0
4(3) + 7(0) = 12
-8(3) - 14(0) = -24
y = 4x + 8
y = 4x + 2
y = y
4x + 8 = 4x + 2
8 = 2