1+tg^2 L=1/cos^2 L
tg^2 L=1/(2/7)^2-1=49/4-1=45/4
tg L= (3корень 5)/2
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
1+tg^2 L=1/cos^2 L
tg^2 L=1/(2/7)^2-1=49/4-1=45/4
tg L= (3корень 5)/2