Доказать тождество:

2cos2a
---------------------------- =1
(1-tg^2a)(1+cos2a)

подробно, пожалуйста, в школе давно не учусь, брату.
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.