ДАЮ 50 ПКТ ЗА ПРАВИЛЬНОЕ РЕШЕНИЕ!! cos(arctg(1/3)+ arctg (-√3). Created by asdf561. algebra-ru

3)+ arctg (-√3)...

September 2021 1 9 Report

ДАЮ 50 ПКТ ЗА ПРАВИЛЬНОЕ РЕШЕНИЕ!!
cos(arctg(1/3)+ arctg (-√3)

Answers & Comments

Опыт Cos(arctg(1/3)-arctg(√3))=cos(arctg(1/3)cos60+sin60sin(arctg(1/3))=
tgx=1/3
sin^2x/cos^2x=1/9
9sin^2x=1-sin^2x
sinx=√10/10
cosx=3√10/10

=3√10/20+√30/20=√30/20(√3+1)

1 votes Thanks 1

rebyatpomogite srochnodayu mnogo punktov tolko pozhalujstabystreesizhu na zachete

Answer

asdf561 July 2022 | 0 Ответы

mlekopitayushee s korotkoj sheej i dlinnymi zadnimi nogami skoree vsego budet obi

Answer

asdf561 July 2022 | 0 Ответы

pomogite pozhalujstaodno zadanie v norme dnk v rasteniyah mozhno obnaruzhit v 1

Answer

asdf561 July 2022 | 0 Ответы

molb26v282 massa glicerinapoluchennogo v rezultate vzaimodejstviya 100 g tri

Answer

asdf561 July 2022 | 0 Ответы

iz dannyh predlozhenij vypishite slovoobrazovannoe pristavochnym sposobomcel nauk

Answer

asdf561 July 2022 | 0 Ответы

Answers & Comments

rebyatpomogite srochnodayu mnogo punktov tolko pozhalujstabystreesizhu na zachete

mlekopitayushee s korotkoj sheej i dlinnymi zadnimi nogami skoree vsego budet obi

pomogite pozhalujstaodno zadanie v norme dnk v rasteniyah mozhno obnaruzhit v 1

molb26v282 massa glicerinapoluchennogo v rezultate vzaimodejstviya 100 g tri

iz dannyh predlozhenij vypishite slovoobrazovannoe pristavochnym sposobomcel nauk

pri sgoranii naveski amina vydelilos 0672 l uglekislogo gaza 081 g vody i 0

mol b26 v28

sint costsint2ctgpt 1

рекомендуемые вопросы

Helpful Links

Helpful Social