cos2x+sinx=0 уравнение, срочно. Created by owlj. matematika-ru

cos2x+sinx=0 уравнение, срочно...

July 2022 1 19 Report

cos2x+sinx=0
уравнение, срочно

Answers & Comments

Utem Cos2x+sinx=0
cos2x=cos²x-sin²x=1-2sin²x
1-2sin²x+sinx=0
Вводим замену переменной
sinx=t
-2t²+t²+1=0
D=1²-4*(-2)=1+8=9
t=(-1-3)/-4=1 t=(-1+3)/-4=-1/2
sinx=1 sinx=-1/2
x=π/2 x=7π/6

3 votes Thanks 4

zhelatelno s risunkom vrode krivolinejnaya trapeciyavychislit ploshad figury02be4e26eb181d17a42d5f8c71aed74d 19194

Answer

owlj July 2022 | 0 Ответы

provesti polnoe issledovanie i postroit grafik funkcii fxx lnx

Answer

owlj July 2022 | 0 Ответы

zhelatelno s risunkom vrode krivolinejnaya trapeciyavychislit ploshad figury

Answer

Answers & Comments

36log6 5 101 lg2 3log9 36 srochno

cherez centr pravilnogo treugolnika avs k ego ploskosti proveden perpendikulyar

rasstavte znaki prepinaniya ya budu kak narkoman rassmatrivat tvoe lico

reshitelno anglijskij molyu najti oshibki nuzhno

8)...

v trapecii abcd ugol raven 30 srednyaya liniya 13 storona av12 najti ploshad

najti ploshad krivolinejnoj trapecii yx 4x3 korichnevyj i y x6x 5 zelen

zhelatelno s risunkom vrode krivolinejnaya trapeciyavychislit ploshad figury02be4e26eb181d17a42d5f8c71aed74d 19194

provesti polnoe issledovanie i postroit grafik funkcii fxx lnx

zhelatelno s risunkom vrode krivolinejnaya trapeciyavychislit ploshad figury

рекомендуемые вопросы

Helpful Links

Helpful Social