Add sin function to maths (#5949)

* Add sin function to /maths.

* Fix typo in /maths/sin.py

* Format sin.py to meet the new black rules.

* Some improvements.

* Fix a formating error.

zer0-x committed 4y ago

80f1da235b0a467dc9b31aa8a56dd3a792a59d7c

Parent: dbee5f0

Committed by GitHub <noreply@github.com> on 5/16/2022, 11:28:30 AM