решить 2sin22* 30' * cos 22*30'
2sin22* 30' * cos 22*30'=sin(2*22* 30' )=sin(45)=1/√2
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
2sin22* 30' * cos 22*30'=sin(2*22* 30' )=sin(45)=1/√2