Помогите упростить пожалуйста:
а) (1-cos a) (1+cos a) + cos^2 a
б) (1- cos a)^2 + sin^2 a - 2cos a
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.