Представьте в виде произведения: sin 11x+ sin 5x
а)2cos 9х cos  3х
б)2sin 8x cos 3x 
в)2 sin 3x sin9x
г) 2sin 3x cos 8x
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.