Триганометрические преобразование выражений (во вложении)
(cosa)^2-(ctga)^2 (cosa)^2- (cosa)^2/(sina)^2 (cosa)^2 1-1/ (sina)^2 ------------------------- =---------------------------------------- =---------------- --------------------- =(tga)^2-(sina)^2 (sina)^2/(cosa)^2-(sina)^2 (sina)^2 1/ (cosa)^2 -1 1-coseca(ctga)^2--------------- =-(ctga)^2(ctga)^2/(tga)^2=-(ctga)^2(ctga)^2(ctga)^2=-(ctga)^6 seca-1
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
(cosa)^2-(ctga)^2 (cosa)^2- (cosa)^2/(sina)^2 (cosa)^2 1-1/ (sina)^2
------------------------- =---------------------------------------- =---------------- --------------------- =
(tga)^2-(sina)^2 (sina)^2/(cosa)^2-(sina)^2 (sina)^2 1/ (cosa)^2 -1
1-coseca
(ctga)^2--------------- =-(ctga)^2(ctga)^2/(tga)^2=-(ctga)^2(ctga)^2(ctga)^2=-(ctga)^6
seca-1