ТРИГОНОМЕТРИЯ

[tex] \frac{tg\alpha +tg \beta}{tg (\alpha +\beta)} + \frac{tg\alpha -tg\beta}{tg (\alpha - \beta)} =2[/tex]

 

подробное решение, пожалуйста

Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Copyright © 2024 SCHOLAR.TIPS - All rights reserved.