Помогите решить пожалуйста)(sin(a+3ß)+sin(a-3ß))/(sin(a+3ß)-sin(a-3ß))*ctga. Created by drozdoolya2010. algebra-ru

(sin(a+3ß)-sin(a-3ß))*ctga...

drozdoolya2010 @drozdoolya2010

July 2022 2 11 Report

Помогите решить пожалуйста)(sin(a+3ß)+sin(a-3ß))/(sin(a+3ß)-sin(a-3ß))*ctga

sedinalana

Verified answer

2sinacos3b/2sin3bcosa *cosa/sina=cos3b/sin3b=ctg3b

0 votes Thanks 0

NNNLLL54

Verified answer

$\frac{sin( \alpha +3 \beta )+sin( \alpha -3 \beta )}{sin( \alpha +3 \beta )-sin( \alpha -3 \beta )} \cdot ctg \alpha = \frac{2sin \alpha \cdot cos3 \beta }{2sin3 \beta \cdot cos \alpha } \cdot \frac{cos \alpha }{sin \alpha } =\\\\= \frac{cos3\beta }{ sin3 \beta } =ctg3 \beta$

2 votes Thanks 2

Answers & Comments

Verified answer

Verified answer

2koh zncl2 2kcl znoh2 skazhite pozhalujsta kakogo cveta osadok ochen nado

pomogite pozhalujstau polevoj myshi 40 hromosom skolko hromosom u samca myshi

pomogite pozhalujstamaster i uchenik rabotaya vmeste mogut zakonchit kladku sten

2log23x 05 7log3x 0530 pomogite pozhalujsta

log305xlog305 log3xpomogite pozhalujsta

pomogite pozhalujsta6cos22x 13sin2x 130

pomogite pozhalujsta reshit x2lgx10x x1lgx10x

cos8

kak ubeditsya chto reakciya gidroksida litiya s kislotoj proshla do konca

3x varianty otvetov 18 22 305 43

рекомендуемые вопросы

Helpful Links

Helpful Social