Rules for adding: if the bases are the same you can add them, and subtracting happens in a fraction
The composite number is A.63. 1 is neither a prime or composite. 19 is a prime. 0 is a trick honestly, it isn't a prime or a composite
He ANWSER I got would be c idk if this is right or not I honk it might be
With Sine, Cosine, and Tangent there are no limits with the numbers you can use and they can be found on a calculator. When you press one of the 3 it will show up like:
Sine(
Cos(
Tan(
Than just add your number and press enter