Step-by-step explanation:
This is what the triangle should look like, when you draw it.
As its a right-angle triangle, trigonometry was used.
Let theta represent the angle of cosine C
Answer:
is valid for all values of x ≥ 0
Step-by-step explanation:
9514 1404 393
Answer:
x = -(9/7)n -81
Step-by-step explanation:
Subtract the n term.
x/-9 = 9 -n/-7
Multiply by -9.
x = -81 -(9/7)n