Cos x = 1. 2cosx+cos2x+cos4x. Sin2x. 2sin2x 3 корень из 2 cos 3п/2+x +2 на отрезке. Cos π/7.
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-9%5C%5C%5C%5C11(cos%5E2x-sin%5E2x)%3D-7sin(%5Cfrac%7B%5Cpi%20%7D%7B2%7D-x)-9%5C%5C%5C%5C11(cos%5E2x-(1-cos%5E2x))%3D-7cosx-9%5C%5C%5C%5C11(2cos%5E2x-1)%2B7cosx%2B9%3D0%5C%5C%5C%5C22cos%5E2x%2B7cosx-2%3D0%5C%5C%5C%5CD%3D7%5E2%2B4%5Ccdot%2022%5Ccdot%202%3D225%3D15%5E2%5C%3B%20%2C%5C%5C%5C%5C(cosx)_1%3D%5Cfrac%7B-7-15%7D%7B44%7D%3D-%5Cfrac%7B1%7D%7B2%7D%5C%3B%20%2C%5C%3B%20%5C%3B%20(cosx)_2%3D%5Cfrac%7B-7%2B15%7D%7B44%7D%3D%5Cfrac%7B2%7D%7B11%7D%5C%5C%5C%5Ca)%5C%3B%20%5C%3B%20cosx%3D-%5Cfrac%7B1%7D%7B2%7D%5C%3B%20%2C%5C%5C%5C%5Cx%3D%5Cpm%20(%5Cpi%20%3Cbr%20%2F%3E%20-arccos%5Cfrac%7B1%7D%7B2%7D)%2B2%5Cpi%20n%3D%5Cpm%20(%5Cpi%20-%5Cfrac%7B%5Cpi%20%7D%7B3%7D)%2B2%5Cpi%20n%3D%5Cpm%20%5Cfrac%7B2%5Cpi%20%7D%7B3%7D%2B2%5Cpi%20n%2C%5C%3B%20n%5Cin%20Z%5C%5C%5C%5Cb)%5C%3B%20%5C%3B%20cosx%3D%5Cfrac%7B2%7D%7B11%7D%5C%5C%5C%5Cx%3D%5Cpm%20arccos%5Cfrac%7B2%7D%7B11%7D%2B2%5Cpi%20k%2C%5C%3B%20k%5Cin%20Z "Sin x 4 корень 2 2. 2 cos 7 x 4 1. 5-8cos^2x=sin2x. Cos3x+cos3x 4cos2x решение. 2 cos 7 x 4 1.")
Sin x 4 корень 2 2. 2 cos 7 x 4 1. 5-8cos^2x=sin2x. Cos3x+cos3x 4cos2x решение. 2 cos 7 x 4 1.
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Sin 7x формула. Sin 2x sin x 2 cos x 1. Cos и sin 2x. Cos 2x формулы. Предел (3^x-2^x)\x.
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Упростите выражение sin2a+sin6a/cos2a+cos6a. 2 cos 7 x 4 1. 2 cos 7 x 4 1. Sin2x+cos2x=0. Cos6x разложить.
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1-cos2x. 2 cos 7 x 4 1. 2cos x/2 1+cos x. Cos 9. 2 cos 7 x 4 1.
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Cos2x. Вычислите пределы функций lim x 3. 2 cos 7 x 4 1. Sin7x-sinx cos4x. Cos6a/cos2a-sin6a/sin2a+2.
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![Корень 2 sin п/4+x/2 1. Lim x sin3x/1-cos2x. 5. Cos 7пи на 4. Cos4x корень 3/2 [-4п,4п].](https://tex.z-dn.net/?f=%5Csf%20cosx%2Bcos2x%2Bcos6x%2Bcos7x%3D4cos%5Cfrac%7Bx%7D%7B2%7D%5Ccdot%20cos%5Cfrac%7B5x%7D%7B2%7D%5Ccdot%20cos%204x%5C%5Ccosx%20%2Bcos7x%2Bcos2x%2Bcos6x%3D4%5Ccdot%20%5Cfrac%7B1%7D%7B2%7D%28cos%5Cfrac%7B6x%7D%7B2%7D%2Bcos%5Cfrac%7B4x%7D%7B2%7D%29%5Ccdot%20cos4x%5C%5C2cos%5Cfrac%7B8x%7D%7B2%7D%20%5Ccdot%20cos%5Cfrac%7B6x%7D%7B2%7D%20%2B2cos%5Cfrac%7B8x%7D%7B2%7D%5Ccdot%20cos%20%5Cfrac%7B4x%7D%7B2%7D%3D2cos4x%5Ccdot%20cos3x%2B%202cos4x%20%5Ccdot%20cos%202x%5C%5C2cos%204x%5Ccdot%20cos%203x%2B%202cos%204x%5Ccdot%20cos%202x%3D2cos%204x%5Ccdot%20cos%203x%2B%202cos%204x%5Ccdot%20cos%202x "Корень 2 sin п/4+x/2 1. Lim x sin3x/1-cos2x. 5. Cos 7пи на 4. Cos4x корень 3/2 [-4п,4п].")
Корень 2 sin п/4+x/2 1. Lim x sin3x/1-cos2x. 5. Cos 7пи на 4. Cos4x корень 3/2 [-4п,4п].
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Cos9x-cos7x корень. 2 cos 7 x 4 1. Sin2x+sin2x. 2 cos 7 x 4 1. Cos пи 7 cos 2пи 7 cos 4пи/7.
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Cos9x-cos7x. 4sin3x cos 2 3x 4. 2 cos 7 x 4 1. Sin x + sin 2 x 2 = cos 2 x 2. Cos2x.
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Cos x+cos2x+cos6x+cos7x. Cosx+cos2x+cos6x+cos7x. Cos4x=1. 2cos(3x+4)=корень 2. 2cos2 a/2.
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Cos2x 1 tg -п/3 sinx. 2 cos 7 x 4 1. Предел при х стремящемся к 0. Cos3x формула. Cos2x−2x⋅ sin2x.
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Cos2x+sin2x 0. 2 cos 7 x 4 1. 2 cos 7 x 4 1. Cos(2x)+sin2x= 3 4. 2 cos 7 x 4 1.
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Докажите тождество cos2x-cos3x-cos4x+cos5x. 2 cos 7 x 4 1. Cos4x = (cos2x)^2. Sin2x cos2x. Предел логарифма.
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2 cos 7 x 4 1. 2 cos 7 x 4 1. Син(2pi-x). 2cos(pi+x)^2-sin(x-pi)=1. Sin7x.
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4cos2x. Решите уравнения sin^2(x/4)-cos^2(x/4)=1. 4 cos 2 x 2. Cos4x формула. Предел 2-cos3x 1/x2.
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Cos9x+cosx/cos3x 0. Cosx cos2x cos3x. Cos x a формулы. 1-cos3x. Cos x 3 п 4 корень 2 2.
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Cos2x 3 формулы. 1+cos4x/tg 3п/4-2x. Cos п x 1 4 корень 2 2. 2 cos 7 x 4 1. Cosx+cos2x+cos6x+cos7x 4cosx/2cos5x/2cos4x.
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2 cos 7 x 4 1. 2 cos 7 x 4 1. Cos 7pi/2. Sin2x/4-cos2x/4. Cosx cos2x cos4x.
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Sin2x cos2x. Предел 1 - cos^3x / 4x2. 1-cos^3x предел. Sin x + sin 2 x 2 = cos 2 x 2. Cos9x-cos7x корень.
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![2cosx+cos2x+cos4x. Cos4x корень 3/2 [-4п,4п]. 2cos x/2 1+cos x. Sin2x/4-cos2x/4. 2 cos 7 x 4 1.](https://tex.z-dn.net/?f=5-8%5Ccos%5E2x%3D%5Csin2x%5C%5C+%5C%5C+5%5Csin%5E2x%2B5%5Ccos%5E2x-8%5Ccos%5E2x-%5Csin2x%3D0%5C%5C+%5C%5C+5%5Csin%5E2x-2%5Csin+x%5Ccos+x-3%5Ccos%5E2x%3D0~~~~%7C%3A%5Ccos%5E2x%5Cne+0%5C%5C+%5C%5C+5tg%5E2x-2tgx-3%3D0%5C%5C+%5C%5C+D%3D%28-2%29%5E2-4%5Ccdot5%5Ccdot%28-3%29%3D64%5C%5C+%5C%5C+tgx%3D1%3B~~~%5CRightarrow~~~+%5Cboxed%7Bx%3D+%5Cfrac%7B%5Cpi%7D%7B4%7D%2B+%5Cpi+n%2Cn+%5Cin+%5Cmathbb%7BZ%7D+%7D%5C%5C+%5C%5C+tgx%3D-+%5Cdfrac%7B3%7D%7B5%7D+%3B~~~%5CRightarrow~~~+%5Cboxed%7Bx%3D-arctg+%5Cdfrac%7B3%7D%7B5%7D+%2B+%5Cpi+n%2Cn+%5Cin+%5Cmathbb%7BZ%7D%7D "2cosx+cos2x+cos4x. Cos4x корень 3/2 [-4п,4п]. 2cos x/2 1+cos x. Sin2x/4-cos2x/4. 2 cos 7 x 4 1.")
2cosx+cos2x+cos4x. Cos4x корень 3/2 [-4п,4п]. 2cos x/2 1+cos x. Sin2x/4-cos2x/4. 2 cos 7 x 4 1.
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