Помогите пж. очень срочно 1)sin^4x=1+cos^4x
2)корень из3sin2x+sin^2x=cos^2x
3)6cosx+1=4cos2x
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.