we are given

Since, we have to find inverse function
step-1:
Set y=f(x)
It is already there
step-2:
Switch x and y

step-3: Solve for y
We can take cos on both sides

we can simplify it

now, we can solve for y


..............Answer
You can't add the same number to 2 different numbers and get the same answer, so no.
Answer:
-4-7
Step-by-step explanation:do 4 and 7