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sin(2*x)+3=3*sin(x)+3*cos(x)

sin(2*x)+3=3*sin(x)+3*cos(x) уравнение

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Численное решение:

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Решение

Вы ввели [src]
sin(2*x) + 3 = 3*sin(x) + 3*cos(x)
$$\sin{\left(2 x \right)} + 3 = 3 \sin{\left(x \right)} + 3 \cos{\left(x \right)}$$
График
Быстрый ответ [src]
x_1 = 0
$$x_{1} = 0$$
      pi
x_2 = --
      2 
$$x_{2} = \frac{\pi}{2}$$
             /            /        ___       ___     ___   ___         ___       ___   ___\\
      pi     |log(2)   log\4 - 2*\/ 2  - 2*\/ I  + \/ 2 *\/ I  + 2*I*\/ I  - I*\/ 2 *\/ I /|
x_3 = -- + I*|------ - --------------------------------------------------------------------|
      4      \  2                                       2                                  /
$$x_{3} = \frac{\pi}{4} + i \left(\frac{\log{\left(2 \right)}}{2} - \frac{\log{\left(- 2 \sqrt{2} + 4 - 2 \sqrt{i} - \sqrt{2} \sqrt{i} i + \sqrt{2} \sqrt{i} + 2 \sqrt{i} i \right)}}{2}\right)$$
             /            /        ___       ___     ___   ___         ___       ___   ___\\
      pi     |log(2)   log\4 + 2*\/ 2  + 2*\/ I  + \/ 2 *\/ I  - 2*I*\/ I  - I*\/ 2 *\/ I /|
x_4 = -- + I*|------ - --------------------------------------------------------------------|
      4      \  2                                       2                                  /
$$x_{4} = \frac{\pi}{4} + i \left(\frac{\log{\left(2 \right)}}{2} - \frac{\log{\left(2 \sqrt{2} + 4 - 2 \sqrt{i} i - \sqrt{2} \sqrt{i} i + \sqrt{2} \sqrt{i} + 2 \sqrt{i} \right)}}{2}\right)$$
Сумма и произведение корней [src]
сумма
                /            /        ___       ___     ___   ___         ___       ___   ___\\          /            /        ___       ___     ___   ___         ___       ___   ___\\
    pi   pi     |log(2)   log\4 - 2*\/ 2  - 2*\/ I  + \/ 2 *\/ I  + 2*I*\/ I  - I*\/ 2 *\/ I /|   pi     |log(2)   log\4 + 2*\/ 2  + 2*\/ I  + \/ 2 *\/ I  - 2*I*\/ I  - I*\/ 2 *\/ I /|
0 + -- + -- + I*|------ - --------------------------------------------------------------------| + -- + I*|------ - --------------------------------------------------------------------|
    2    4      \  2                                       2                                  /   4      \  2                                       2                                  /
$$\left(0\right) + \left(\frac{\pi}{2}\right) + \left(\frac{\pi}{4} + i \left(\frac{\log{\left(2 \right)}}{2} - \frac{\log{\left(- 2 \sqrt{2} + 4 - 2 \sqrt{i} - \sqrt{2} \sqrt{i} i + \sqrt{2} \sqrt{i} + 2 \sqrt{i} i \right)}}{2}\right)\right) + \left(\frac{\pi}{4} + i \left(\frac{\log{\left(2 \right)}}{2} - \frac{\log{\left(2 \sqrt{2} + 4 - 2 \sqrt{i} i - \sqrt{2} \sqrt{i} i + \sqrt{2} \sqrt{i} + 2 \sqrt{i} \right)}}{2}\right)\right)$$
=
       /            /        ___       ___     ___   ___         ___       ___   ___\\     /            /        ___       ___     ___   ___         ___       ___   ___\\
       |log(2)   log\4 - 2*\/ 2  - 2*\/ I  + \/ 2 *\/ I  + 2*I*\/ I  - I*\/ 2 *\/ I /|     |log(2)   log\4 + 2*\/ 2  + 2*\/ I  + \/ 2 *\/ I  - 2*I*\/ I  - I*\/ 2 *\/ I /|
pi + I*|------ - --------------------------------------------------------------------| + I*|------ - --------------------------------------------------------------------|
       \  2                                       2                                  /     \  2                                       2                                  /
$$\pi + i \left(\frac{\log{\left(2 \right)}}{2} - \frac{\log{\left(2 \sqrt{2} + 4 - 2 \sqrt{i} i - \sqrt{2} \sqrt{i} i + \sqrt{2} \sqrt{i} + 2 \sqrt{i} \right)}}{2}\right) + i \left(\frac{\log{\left(2 \right)}}{2} - \frac{\log{\left(- 2 \sqrt{2} + 4 - 2 \sqrt{i} - \sqrt{2} \sqrt{i} i + \sqrt{2} \sqrt{i} + 2 \sqrt{i} i \right)}}{2}\right)$$
произведение
                /            /        ___       ___     ___   ___         ___       ___   ___\\          /            /        ___       ___     ___   ___         ___       ___   ___\\
    pi   pi     |log(2)   log\4 - 2*\/ 2  - 2*\/ I  + \/ 2 *\/ I  + 2*I*\/ I  - I*\/ 2 *\/ I /|   pi     |log(2)   log\4 + 2*\/ 2  + 2*\/ I  + \/ 2 *\/ I  - 2*I*\/ I  - I*\/ 2 *\/ I /|
0 * -- * -- + I*|------ - --------------------------------------------------------------------| * -- + I*|------ - --------------------------------------------------------------------|
    2    4      \  2                                       2                                  /   4      \  2                                       2                                  /
$$\left(0\right) * \left(\frac{\pi}{2}\right) * \left(\frac{\pi}{4} + i \left(\frac{\log{\left(2 \right)}}{2} - \frac{\log{\left(- 2 \sqrt{2} + 4 - 2 \sqrt{i} - \sqrt{2} \sqrt{i} i + \sqrt{2} \sqrt{i} + 2 \sqrt{i} i \right)}}{2}\right)\right) * \left(\frac{\pi}{4} + i \left(\frac{\log{\left(2 \right)}}{2} - \frac{\log{\left(2 \sqrt{2} + 4 - 2 \sqrt{i} i - \sqrt{2} \sqrt{i} i + \sqrt{2} \sqrt{i} + 2 \sqrt{i} \right)}}{2}\right)\right)$$
=
0
$$0$$
Численный ответ [src]
x1 = -69.1150383789755
x2 = -48.6946861306418
x3 = 20.4203522483337
x4 = -43.9822971502571
x5 = 6.28318530717959
x6 = 81.6814089933346
x7 = -75.398223686155
x8 = 45.553093477052
x9 = 64.4026493985908
x10 = -80.1106126665397
x11 = -10.9955742875643
x12 = -389.557489045134
x13 = -23.5619449019235
x14 = -31.4159265358979
x15 = 62.8318530717959
x16 = -54.9778714378214
x17 = -36.1283155162826
x18 = -12.5663706143592
x19 = 76.9690200129499
x20 = -56.5486677646163
x21 = -50.2654824574367
x22 = 26.7035375555132
x23 = -18.8495559215388
x24 = 37.6991118430775
x25 = 31.4159265358979
x26 = 14.1371669411541
x27 = 18.8495559215388
x28 = 83.2522053201295
x29 = -1845.685683984
x30 = -29.845130209103
x31 = 75.398223686155
x32 = 56.5486677646163
x33 = 70.6858347057703
x34 = 1.5707963267949
x35 = 95.8185759344887
x36 = -81.6814089933346
x37 = -4.71238898038469
x38 = 25.1327412287183
x39 = -94.2477796076938
x40 = -67.5442420521806
x41 = 7.85398163397448
x42 = 94.2477796076938
x43 = -224.62387473167
x44 = -42.4115008234622
x45 = 89.5353906273091
x46 = -62.8318530717959
x47 = 51.8362787842316
x48 = -25.1327412287183
x49 = 100.530964914873
x50 = 87.9645943005142
x51 = 32.9867228626928
x52 = -61.261056745001
x53 = -37.6991118430775
x54 = -98.9601685880785
x55 = 39.2699081698724
x56 = -2657.78738493697
x57 = -6.28318530717959
x58 = 0.0
x59 = -92.6769832808989
x60 = -17.2787595947439
x61 = 43.9822971502571
x62 = -73.8274273593601
x63 = 50.2654824574367
x64 = 69.1150383789755
x65 = -87.9645943005142
x66 = -289.026524130261
x67 = 152.367243699105
x68 = 12.5663706143592
x69 = 58.1194640914112
x70 = -86.3937979737193
x70 = -86.3937979737193
График
sin(2*x)+3=3*sin(x)+3*cos(x) уравнение