Помогите
ctg(60°-2α)=tg(30°+2α)

С градусами еще понятно, но как мы знаки у альфа поменяли?
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.