1/4(tga-tg(п/2+а)+tg(3п/2+а))=?
tg(п/2+а)= -ctga
tg(3п/2+а)= -ctga
1/4(tga-( -ctga)+( -ctga))=1/4tga
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
1/4(tga-tg(п/2+а)+tg(3п/2+а))=?
tg(п/2+а)= -ctga
tg(3п/2+а)= -ctga
1/4(tga-( -ctga)+( -ctga))=1/4tga