Упростите Sin(90+L)+cos(180+L)+tg(270+L)+ctg(360+L). Created by ksuasha91. geometriya-ru

Упростите Sin(90+L)+cos(180+L)+tg(270+L)+ctg(360+L)...

August 2022 1 5 Report

Упростите

Sin(90+L)+cos(180+L)+tg(270+L)+ctg(360+L)

Answers & Comments

kolobok1431 Sin(90+L)+cos(180+L)+tg(270+L)+ctg(360+L) =
= cos L - cos L - ctg L + ctg L = 0
Ответ: 0
Sin(90+L) = cos L
cos(180+L) = - cos L
tg(270+L) = - ctg L
ctg(360+L) = ctg L

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pomogite pozhalujsta raspolozhite himicheskie elementy v poryadke vozrastaniya vos

pomogite reshit srochno zadacha na opredelenie opticheskoj sily po risunku s opre

eda v shestnadcatirichnoj sisteme perevesti v dvoichnuyuvosmerichnuyu i desyatichnuyu s

srochno pomogite s himiej0b3670e808da9c2ce39ae8e47200d3b6 1018

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