Тригонометрическое неравенство [tex]sinx(sinx-\frac{1}{2})\ \textless \ 0[/tex]. Created by Freakazoid. algebra-ru

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August 2022 1 23 Report

Тригонометрическое неравенство
[tex]sinx(sinx-\frac{1}{2})\ \textless \ 0[/tex]

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Support001 Sinx(sinx-1/2)<0
sinx=1/2
x=pi/6 -
sinx=0
x=0
------[0]--------[pi/6]----------
+______-_________+
2pn<x<1/6(12pin+pi) n=Z
1/6(12pn+5p)<x<2pn+p n=Z

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Freakazoid В книге два ответа. Второй равен 2pin+5pi/6 <x <pi+2pin

uprostite vyrazheniyatrigonometriya tut ispolzuyutsya formuly chetnosti i nechetnost

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proverte spravedlivost ravenstva po moemu nevernoe ravenstvo reshal s pomosh

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privedite k naimenshemu polozhitelnomu argumentu sin2000 obyasnite pozhalujsta

ya ponimayu kak uproshat s pomoshyu formul privedeniya vyrazheniya sin90 a cosa

uprostite vyrazheniyatrigonometriya tut ispolzuyutsya formuly chetnosti i nechetnost

sravnite znacheniya vyrazhenij esli tga 2

proverte spravedlivost ravenstva po moemu nevernoe ravenstvo reshal s pomosh

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