2 ; -π )...

July 2022 1 12 Report

а) Решите уравнение cos 2х=1-cos(π/2 - х)
б) Найдите все корни этого уравнения, принадлежащие промежутку [5π /2 ; -π )

Answers & Comments

katysha052010 Cos2x=1-cos(p/2-x)cos^2x-sin^2x=sin^2x+cos^2x-sinx-2sin^2x+since=0sinx(-2sinx+1)=0sinx=ox=pk,k принадлежит z-2sinx+1=0sinx=1/2x=(-1)^k p/6+pk, k принадлежит z

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katysha052010 корни p/6; 5p/6 и 13p/6

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Answers & Comments

chem na vash vzglyad yavlyayutsya dlya chelovechestva nanotehnologii v bolshej stepenif8ab2890b511eb65500868e97fc99ddc 31033

pochemu uvelichivaetsya kolichestvo razvodov

kakovo vliyanie smi na cheloveka na ego povedenie09a00033d86f8948a406900c2e4af17f 22337

v kakoj period razvitiya himii na vash vzglyad dobyvat novye znaniya bylo proshe v

chem na vash vzglyad yavlyayutsya dlya chelovechestva nanotehnologii v bolshej stepeni

chto yavlyaetsya samym vazhnym sredstvom obsheniya dlya vas 7 predlozhenij kto kak

kakovo vliyanie smi na cheloveka na ego povedenie

najti proizvodnuyu y arctg32x lnx5

stoimost mnogih operacij naprim po peresylke upala v tysyachu raz a skorost

iz perechnya biologicheskih i socialnyh osobennostej vybrat nomera priznakov so

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