А)6 sin2x - 3 sinx • cosx - cos2x = 1 б)5 sin2x + 3 sinx • cosx - 2 cos2x =3
в)sin2 3x + sin2 4x + sin2 6x + sin2 7x =2
Помогите пожалуйста хоть кто-нибудь!!!
Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Copyright © 2024 SCHOLAR.TIPS - All rights reserved.