Fixes #3855 (#3867)

Fixes #3855 
## Description
- Replace `torch.sin_(b)` with `b.sin_()` in
`tensors_deeper_tutorial.py`
- Replace `torch.sin_(a)` with `a.sin_()` in `autogradyt_tutorial.py`
- Replace `torch.linalg.matmul()` with `torch.matmul()` in
`tensors_deeper_tutorial.py`
- Update editorial text around in-place ops in
`tensors_deeper_tutorial.py`

cc @subramen

---------

Co-authored-by: sekyondaMeta <127536312+sekyondaMeta@users.noreply.github.com>
Co-authored-by: Svetlana Karslioglu <svekars@meta.com>

Author: 3 people