sin5a*cos2a=1/2(sin(5a-2a)+sin(5a+2a))=1/2(sin3a+sin7a) (вероятнее так)
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
sin5a*cos2a=1/2(sin(5a-2a)+sin(5a+2a))=1/2(sin3a+sin7a) (вероятнее так)