What property this does this equation come under \(\int^1_{-1}\)sin⁡x dx=-\(\int_1^{-1}\)sin⁡x dx?

What property this does this equation come under \(\int^1_{-1}\)sin�

1.	What property this does this equation come under \(\int^1_{-1}\)sin⁡x dx=-\(\int_1^{-1}\)sin⁡x dx?
A.	Reverse integral property
B.	Adding intervals property
C.	Zero-length interval property
D.	Adding integrand property
Answer» B. Adding intervals property