Question Number 77091 by Boyka last updated on 03/Jan/20
![](https://www.tinkutara.com/question/10903.png)
Commented by john santu last updated on 03/Jan/20
![sir i don′t read your used symbol](https://www.tinkutara.com/question/Q77092.png)
$${sir}\:{i}\:{don}'{t}\:{read}\:{your}\:{used}\:{symbol} \\ $$
Commented by Boyka last updated on 03/Jan/20
![β sir tg(α−β)](https://www.tinkutara.com/question/Q77097.png)
$$\beta\:\:\:\mathrm{sir}\:\:\:\mathrm{tg}\left(\alpha−\beta\right) \\ $$
Commented by jagoll last updated on 03/Jan/20
![was what asked sir?](https://www.tinkutara.com/question/Q77138.png)
$${was}\:{what}\:{asked}\:{sir}? \\ $$