Даны четыре точки А (0; 1; -1), Б (1; -1; 2), С (3; 1; 0), D (2; -3; 1). Найдите косинус угла ф между векторами ¯(АВ и CD.)
С решением
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.