1. cos п/5 *cosп/20 -sin п/5 *sin п/20
2. sin2x cos3x-2sin5x+cos2x sin3x
3. cos2,5x cos1,5x+cosx+sin1,5x sin2,5x
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.