Решите методом замены переменной1)tgx- ctgx=02)-2sin^2x-cosx+1=03)2sinx+cos^2x-1=0. Created by GromovaLizka. matematika-ru

Решите методом замены переменной1)tgx- ctgx=02)-2sin^2x-cosx+1=03)2sinx+cos^2x-1...

July 2022 1 16 Report

Решите методом замены переменной1)tgx- ctgx=02)-2sin^2x-cosx+1=03)2sinx+cos^2x-1=0

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AngelaNilsson $1. \frac{sinx}{cosx} - \frac{cosx}{sinx} = \frac{sin x^{2}+ cos x^{2} }{cosx sunx} = \frac{1}{cosx sinx} 

2. -2sin^{2}x - cosx+sin^{2}x + cos^{2}x= - sin^{2}x+cosx 

3. 2sinx+cos^{2} 2x- sin^{2}x+cos^{2}x$

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Answers & Comments

1 napishi slovo s kornem lad

b zapishi slovami nazvaniya chisel 32005 19600

reshite uravnenie uprostiv levuyu chast 4sinx cosx1

rasprostrani predlozheniya dopishi slova poyasnyayushie podlezhashee i skazuemoe88e257cb4b11310fec3ef4ebe39953da 45402

podcherkni glavnye chleny nerasprostranyonnyh predlozhenij ukazhi nad nimi chasti rech1230085615c685f3612be1f7fc51bdf7 74820

2 perechisli trudnosti s kotorymi stolknulsya ninurta v borbe s drakonom p

1 obedini v gruppy i zapishi slova blizkie po smyslu robetopasatsya dejs

zapishi ciframi dannye chisla v tablicu 10 tysyach 60 millionov 3 milliona 200 t

najdite znachenie sin 390

obyasni znachenie slova dolg v sochetanii slovdenezhnyj dolg dolg pered rod

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