Sin^2(45+x)-sin^2(30-x)-sin15cos(15+2x)=sin2x
доказать,что одна часть равна другой
P.s 45,30,15 градусов
Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Answers & Comments


Copyright © 2025 SCHOLAR.TIPS - All rights reserved.