Question Number 77091 by Boyka last updated on 03/Jan/20
Commented by john santu last updated on 03/Jan/20
$${sir}\:{i}\:{don}'{t}\:{read}\:{your}\:{used}\:{symbol} \\ $$
Commented by Boyka last updated on 03/Jan/20
$$\beta\:\:\:\mathrm{sir}\:\:\:\mathrm{tg}\left(\alpha−\beta\right) \\ $$
Commented by jagoll last updated on 03/Jan/20
$${was}\:{what}\:{asked}\:{sir}? \\ $$