Помогите понять: у=10cos^2x-6sinx*cosx+2sin^2x у=10cos^2x+2sin^2x-3sin2x
y=10cos^2x+2-2cos^2x-3sin2x
Откуда берётся 2-2cos^2x?
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.