cos(x)+sin(x)=-1 (уравнение)

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    Найду корень уравнения: cos(x)+sin(x)=-1

    Решение

    Вы ввели [src]
    cos(x) + sin(x) = -1
    $$\sin{\left (x \right )} + \cos{\left (x \right )} = -1$$
    График
    Быстрый ответ [src]
         -pi 
    x1 = ----
          2  
    $$x_{1} = - \frac{\pi}{2}$$
    Численный ответ [src]
    x1 = 9.42477796077000
    x2 = 67.5442420522000
    x3 = -65.9734457254000
    x4 = 86.3937979737000
    x5 = 84.8230016469000
    x6 = -53.4070751110000
    x7 = 48.6946861306000
    x8 = 65.9734457254000
    x9 = 3.14159265359000
    x10 = 61.2610567450000
    x11 = 15.7079632679000
    x12 = -70.6858347058000
    x13 = -89.5353906273000
    x14 = -3.14159265359000
    x15 = 40.8407044967000
    x16 = -59.6902604182000
    x17 = 17.2787595947000
    x18 = 97.3893722613000
    x19 = 78.5398163397000
    x20 = -21.9911485751000
    x21 = -32.9867228627000
    x22 = 92.6769832809000
    x23 = -196.349540849000
    x24 = 72.2566310326000
    x25 = -58.1194640914000
    x26 = -95.8185759345000
    x27 = -34.5575191895000
    x28 = 28.2743338823000
    x29 = 36.1283155163000
    x30 = 73.8274273594000
    x31 = -91.1061869541000
    x32 = -14.1371669412000
    x33 = 80.1106126665000
    x34 = 4.71238898038000
    x35 = 10.9955742876000
    x36 = -9.42477796077000
    x37 = 23.5619449019000
    x38 = -39.2699081699000
    x39 = -84.8230016469000
    x40 = -72.2566310326000
    x41 = -26.7035375555000
    x42 = -83.2522053201000
    x43 = 98.9601685881000
    x44 = -45.5530934771000
    x45 = 91.1061869541000
    x46 = -51.8362787842000
    x47 = 59.6902604182000
    x48 = -47.1238898038000
    x49 = -64.4026493986000
    x50 = 54.9778714378000
    x51 = -40.8407044967000
    x52 = -20.4203522483000
    x53 = -97.3893722613000
    x54 = -7.85398163397000
    x55 = 34.5575191895000
    x56 = -76.9690200129000
    x57 = 21.9911485751000
    x58 = -1.57079632679000
    x59 = 53.4070751110000
    x60 = -78.5398163397000
    x61 = 29.8451302091000
    x62 = 42.4115008235000
    x63 = -28.2743338823000
    x64 = -15.7079632679000
    x65 = 47.1238898038000
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