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sin(sin(x))=1/2

sin(sin(x))=1/2 уравнение

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Численное решение:

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Решение

Вы ввели [src]
sin(sin(x)) = 1/2
$$\sin{\left(\sin{\left(x \right)} \right)} = \frac{1}{2}$$
Подробное решение
Дано уравнение
$$\sin{\left(\sin{\left(x \right)} \right)} = \frac{1}{2}$$
преобразуем
$$\sin{\left(\sin{\left(x \right)} \right)} - \frac{1}{2} = 0$$
$$\sin{\left(\sin{\left(x \right)} \right)} - \frac{1}{2} = 0$$
Сделаем замену
$$w = \sin{\left(\sin{\left(x \right)} \right)}$$
Переносим свободные слагаемые (без w)
из левой части в правую, получим:
$$w = \frac{1}{2}$$
Получим ответ: w = 1/2
делаем обратную замену
$$\sin{\left(\sin{\left(x \right)} \right)} = w$$
подставляем w:
График
Быстрый ответ [src]
               /pi\
x_1 = pi - asin|--|
               \6 /
$$x_{1} = - \operatorname{asin}{\left(\frac{\pi}{6} \right)} + \pi$$
          /pi\
x_2 = asin|--|
          \6 /
$$x_{2} = \operatorname{asin}{\left(\frac{\pi}{6} \right)}$$
             /    /5*pi\\       /    /5*pi\\
x_3 = pi - re|asin|----|| - I*im|asin|----||
             \    \ 6  //       \    \ 6  //
$$x_{3} = - \operatorname{re}{\left(\operatorname{asin}{\left(\frac{5 \pi}{6} \right)}\right)} + \pi - i \operatorname{im}{\left(\operatorname{asin}{\left(\frac{5 \pi}{6} \right)}\right)}$$
          /    /5*pi\\     /    /5*pi\\
x_4 = I*im|asin|----|| + re|asin|----||
          \    \ 6  //     \    \ 6  //
$$x_{4} = \operatorname{re}{\left(\operatorname{asin}{\left(\frac{5 \pi}{6} \right)}\right)} + i \operatorname{im}{\left(\operatorname{asin}{\left(\frac{5 \pi}{6} \right)}\right)}$$
Сумма и произведение корней [src]
сумма
         /pi\       /pi\          /    /5*pi\\       /    /5*pi\\       /    /5*pi\\     /    /5*pi\\
pi - asin|--| + asin|--| + pi - re|asin|----|| - I*im|asin|----|| + I*im|asin|----|| + re|asin|----||
         \6 /       \6 /          \    \ 6  //       \    \ 6  //       \    \ 6  //     \    \ 6  //
$$\left(- \operatorname{asin}{\left(\frac{\pi}{6} \right)} + \pi\right) + \left(\operatorname{asin}{\left(\frac{\pi}{6} \right)}\right) + \left(- \operatorname{re}{\left(\operatorname{asin}{\left(\frac{5 \pi}{6} \right)}\right)} + \pi - i \operatorname{im}{\left(\operatorname{asin}{\left(\frac{5 \pi}{6} \right)}\right)}\right) + \left(\operatorname{re}{\left(\operatorname{asin}{\left(\frac{5 \pi}{6} \right)}\right)} + i \operatorname{im}{\left(\operatorname{asin}{\left(\frac{5 \pi}{6} \right)}\right)}\right)$$
=
2*pi
$$2 \pi$$
произведение
         /pi\       /pi\          /    /5*pi\\       /    /5*pi\\       /    /5*pi\\     /    /5*pi\\
pi - asin|--| * asin|--| * pi - re|asin|----|| - I*im|asin|----|| * I*im|asin|----|| + re|asin|----||
         \6 /       \6 /          \    \ 6  //       \    \ 6  //       \    \ 6  //     \    \ 6  //
$$\left(- \operatorname{asin}{\left(\frac{\pi}{6} \right)} + \pi\right) * \left(\operatorname{asin}{\left(\frac{\pi}{6} \right)}\right) * \left(- \operatorname{re}{\left(\operatorname{asin}{\left(\frac{5 \pi}{6} \right)}\right)} + \pi - i \operatorname{im}{\left(\operatorname{asin}{\left(\frac{5 \pi}{6} \right)}\right)}\right) * \left(\operatorname{re}{\left(\operatorname{asin}{\left(\frac{5 \pi}{6} \right)}\right)} + i \operatorname{im}{\left(\operatorname{asin}{\left(\frac{5 \pi}{6} \right)}\right)}\right)$$
=
 /         /pi\\ /    /    /5*pi\\     /    /5*pi\\\ /          /    /5*pi\\     /    /5*pi\\\     /pi\
-|pi - asin|--||*|I*im|asin|----|| + re|asin|----|||*|-pi + I*im|asin|----|| + re|asin|----|||*asin|--|
 \         \6 // \    \    \ 6  //     \    \ 6  /// \          \    \ 6  //     \    \ 6  ///     \6 /
$$- \left(- \operatorname{asin}{\left(\frac{\pi}{6} \right)} + \pi\right) \left(\operatorname{re}{\left(\operatorname{asin}{\left(\frac{5 \pi}{6} \right)}\right)} + i \operatorname{im}{\left(\operatorname{asin}{\left(\frac{5 \pi}{6} \right)}\right)}\right) \left(- \pi + \operatorname{re}{\left(\operatorname{asin}{\left(\frac{5 \pi}{6} \right)}\right)} + i \operatorname{im}{\left(\operatorname{asin}{\left(\frac{5 \pi}{6} \right)}\right)}\right) \operatorname{asin}{\left(\frac{\pi}{6} \right)}$$
Численный ответ [src]
x1 = -688.559860719264
x2 = -49.7144128743372
x3 = -93.6967100245944
x4 = -1155.55502693794
x5 = -79.0908859228443
x6 = 63.3829226548953
x7 = -3.69266223668924
x8 = 46.5728202207475
x9 = -72.8077006156647
x10 = -99.9798953317739
x11 = -24.5816716456189
x12 = -43.4312275671577
x13 = -9.97584754386883
x14 = -22.542218158228
x15 = 13.1174401974586
x16 = 31.9669961189974
x17 = -30.8648569527985
x18 = -66.5245153084851
x19 = -55.9975981815168
x20 = 323.032973736649
x21 = 27.7232642992087
x22 = -116.789997765922
x23 = 50.8165520405361
x24 = 0.551069583099446
x25 = -169.094933710749
x26 = -91.6572565372035
x27 = -87.4135247174148
x28 = 71.7055614494658
x29 = -35.1085887725872
x30 = 94.7988491907932
x31 = -41.3917740797668
x32 = 40.2896349135679
x33 = -53.9581446941259
x34 = -47.6749593869463
x35 = -18.2984863384393
x36 = -160.772294916179
x37 = 101.082034497973
x38 = -74.8471541030556
x39 = -16.2590328510484
x40 = 77.9887467566454
x41 = -5.73211572408014
x42 = -81.1303394102352
x43 = 96.8383026781841
x44 = 25.6838108118178
x45 = -37.1480422599781
x46 = 65.4223761422862
x47 = 88.5156638836137
x48 = -85.3740712300239
x49 = 52.856005527927
x50 = 69.6661079620749
x51 = 59.1391908351066
x52 = 19.4006255046382
x53 = -28.8254034654076
x54 = -12.0153010312597
x55 = 84.271932063825
x56 = 82.2324785764341
x57 = 8.87370837766993
x58 = -62.2807834886964
x59 = 15.1568936848495
x60 = -97.940441844383
x61 = 2.59052307049035
x62 = -60.2413300013055
x63 = 34.0064496063883
x64 = -68.563968795876
x65 = 21.4400789920291
x66 = 57.0997373477157
x67 = 113.648405112332
x68 = 6.83425489027903
x69 = 44.5333667333566
x70 = 38.250181426177
x71 = 90.5551173710046
x72 = 75.9492932692545
x72 = 75.9492932692545
График
sin(sin(x))=1/2 уравнение