Упростите:

[tex]\frac{cos2\alpha}{1-sin2\alpha}-\frac{1+tg\alpha}{1-tg\alpha}[/tex]

Правильный ответ 0.

Заранее спасибо.

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

Answers & Comments


Copyright © 2024 SCHOLAR.TIPS - All rights reserved.