Ответ:
cos(90°-в)=sin в
sin(180°-a)=sin a
ctg(90°-y)=tg y
tg(90°-ч)=ctg ч
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Ответ:
cos(90°-в)=sin в
sin(180°-a)=sin a
ctg(90°-y)=tg y
tg(90°-ч)=ctg ч