How to calculate incident angle for Sentinel 2 image?

Hello,

Could you please to clarify the calculation of incidennt angle for a Sentinel 2 image? I tried to find on this forum and S2 wesite, however only for S1.

Is S2 nadir of off-nadir (or near nadir)? Can we calculate the incident angle from view zenith angle?

Many thanks to your supporting!
Thang