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2sin^2x-3cosx=0

2sin^2x-3cosx=0 уравнение

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Численное решение:

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Решение

Вы ввели [src]
     2                  
2*sin (x) - 3*cos(x) = 0
$$2 \sin^{2}{\left(x \right)} - 3 \cos{\left(x \right)} = 0$$
График
Быстрый ответ [src]
      -pi 
x_1 = ----
       3  
$$x_{1} = - \frac{\pi}{3}$$
      pi
x_2 = --
      3 
$$x_{2} = \frac{\pi}{3}$$
          /     /  ___\\         /     /  ___\\
x_3 = 2*im\atanh\\/ 3 // - 2*I*re\atanh\\/ 3 //
$$x_{3} = 2 \operatorname{im}{\left(\operatorname{atanh}{\left(\sqrt{3} \right)}\right)} - 2 i \operatorname{re}{\left(\operatorname{atanh}{\left(\sqrt{3} \right)}\right)}$$
            /     /  ___\\         /     /  ___\\
x_4 = - 2*im\atanh\\/ 3 // + 2*I*re\atanh\\/ 3 //
$$x_{4} = - 2 \operatorname{im}{\left(\operatorname{atanh}{\left(\sqrt{3} \right)}\right)} + 2 i \operatorname{re}{\left(\operatorname{atanh}{\left(\sqrt{3} \right)}\right)}$$
Сумма и произведение корней [src]
сумма
-pi    pi       /     /  ___\\         /     /  ___\\         /     /  ___\\         /     /  ___\\
---- + -- + 2*im\atanh\\/ 3 // - 2*I*re\atanh\\/ 3 // + - 2*im\atanh\\/ 3 // + 2*I*re\atanh\\/ 3 //
 3     3                                                                                           
$$\left(- \frac{\pi}{3}\right) + \left(\frac{\pi}{3}\right) + \left(2 \operatorname{im}{\left(\operatorname{atanh}{\left(\sqrt{3} \right)}\right)} - 2 i \operatorname{re}{\left(\operatorname{atanh}{\left(\sqrt{3} \right)}\right)}\right) + \left(- 2 \operatorname{im}{\left(\operatorname{atanh}{\left(\sqrt{3} \right)}\right)} + 2 i \operatorname{re}{\left(\operatorname{atanh}{\left(\sqrt{3} \right)}\right)}\right)$$
=
0
$$0$$
произведение
-pi    pi       /     /  ___\\         /     /  ___\\         /     /  ___\\         /     /  ___\\
---- * -- * 2*im\atanh\\/ 3 // - 2*I*re\atanh\\/ 3 // * - 2*im\atanh\\/ 3 // + 2*I*re\atanh\\/ 3 //
 3     3                                                                                           
$$\left(- \frac{\pi}{3}\right) * \left(\frac{\pi}{3}\right) * \left(2 \operatorname{im}{\left(\operatorname{atanh}{\left(\sqrt{3} \right)}\right)} - 2 i \operatorname{re}{\left(\operatorname{atanh}{\left(\sqrt{3} \right)}\right)}\right) * \left(- 2 \operatorname{im}{\left(\operatorname{atanh}{\left(\sqrt{3} \right)}\right)} + 2 i \operatorname{re}{\left(\operatorname{atanh}{\left(\sqrt{3} \right)}\right)}\right)$$
=
                                               2
    2 /      /     /  ___\\     /     /  ___\\\ 
4*pi *\- I*re\atanh\\/ 3 // + im\atanh\\/ 3 /// 
------------------------------------------------
                       9                        
$$\frac{4 \pi^{2} \left(\operatorname{im}{\left(\operatorname{atanh}{\left(\sqrt{3} \right)}\right)} - i \operatorname{re}{\left(\operatorname{atanh}{\left(\sqrt{3} \right)}\right)}\right)^{2}}{9}$$
Численный ответ [src]
x1 = 68.0678408277789
x2 = -82.7286065445312
x3 = 57.5958653158129
x4 = -70.162235930172
x5 = -32.4631240870945
x6 = 26.1799387799149
x7 = 55.5014702134197
x8 = 70.162235930172
x9 = 105.766952670856
x10 = -38345.2327321658
x11 = -51.3126800086333
x12 = 82.7286065445312
x13 = -26.1799387799149
x14 = -38.7463093942741
x15 = 80.634211442138
x16 = 89.0117918517108
x17 = 76.4454212373516
x18 = 11.5191730631626
x19 = -55.5014702134197
x20 = -5.23598775598299
x21 = 38.7463093942741
x22 = -13.6135681655558
x23 = 30.3687289847013
x24 = -114.144533080429
x25 = -74.3510261349584
x26 = 32.4631240870945
x27 = 7.33038285837618
x28 = 42.9350995990605
x29 = 5.23598775598299
x30 = -7.33038285837618
x31 = -76.4454212373516
x32 = -93.2005820564972
x33 = 19.8967534727354
x34 = 86.9173967493176
x35 = -23317.9478724946
x36 = -11.5191730631626
x37 = -99.4837673636768
x38 = -24.0855436775217
x39 = 36.6519142918809
x40 = -57.5958653158129
x41 = -1.0471975511966
x42 = -63.8790506229925
x43 = 63.8790506229925
x44 = -17.8023583703422
x45 = 218.864288200089
x46 = -68.0678408277789
x47 = -95.2949771588904
x48 = -61.7846555205993
x49 = -80.634211442138
x50 = 99.4837673636768
x51 = 95.2949771588904
x52 = -16783.4351530279
x53 = 24.0855436775217
x54 = -45.0294947014537
x55 = -36.6519142918809
x56 = -89.0117918517108
x57 = 74.3510261349584
x58 = 17.8023583703422
x59 = 61.7846555205993
x60 = -30.3687289847013
x61 = -382.227106186758
x62 = 1691.22404518251
x63 = 51.3126800086333
x64 = -49.2182849062401
x65 = -935.147413218562
x66 = 13.6135681655558
x67 = -19.8967534727354
x67 = -19.8967534727354
График
2sin^2x-3cosx=0 уравнение