The answer to the question is a
Answer:

Step-by-step explanation:
Hope this helps! Have a great day ahead. Happy halloween :) Stay Safe <33
Answer:
See below
Step-by-step explanation:
The interval must be chosen so that the function is one-to-one, and the sine and cosine functions are not one-to-one on the same intervals.
Answer:
-8 and 1
Step-by-step explanation: