Okay, so I fixed my problem, but I am still stuck on the third part. Can somebody help?

Answer:
you add the number given ,number 2 then you add the integer,(thaTS the other number) an say the sum is the answer to the question or equation.
Step-by-step explanation:
Answer:
you are right
Step-by-step explanation:
how you explain it is I reverst it and then change the sine to a adding and that is how I go the anwers to it
hope that helps