what is the meaning of order

Question

if y=x is to the order of 1

then what is the order for y=sin x

ANSWER: is that also the order of one please explain.

Answer 1

order refers to the highest degree of a polynmial

y=x is order 1, because y=x¹ is degree one.

Because sin x is not a polynomial, it does not have degree or order.

Answer 2

WOW THAT WAS THE MOST CLEAREST EXPLANATION THANK YOU!!