Use an addition or subtraction formula to find the exact value of the expression, as demonstrated in example 1. tan(105°)
Answer:
b
Step-by-step explanation:
64 ft, add 13 plus 13 and 19 plus 19
AX = B
1 -1 -1 x 0
0 -2 -1 y = -2
2 1 0 z -4
x
y = A^-1 B
z
x -1 1 1 0 6
y = 2 -2 -1 . 2 = -8
z -4 3 2 4 14
The answer you are looking for is B.) 43.