tg2a=2tga/1-tg^2 a и tga=1/ctga=5
tg2a=5*2/1-25=-10/24=-5/12
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
tg2a=2tga/1-tg^2 a и tga=1/ctga=5
tg2a=5*2/1-25=-10/24=-5/12