Step-by-step explanation:
step 1. The correct question is "solve the system of equations."
step 2. when you graph these equations they are parallel since they have the same slope.
step 3. There is no solution to the system when the lines are parallel ( they dont cross).
The period of a sine and cosine is 2pi. The amplitude is 1.
<span>Solution k = {-1, -5}</span>
Answer
1/3
hope this helps have a nice day:)