Найду корень уравнения: cot(a)=1
a1 = -80.8960108299000
a2 = 73.0420291960000
a3 = -77.7544181763000
a4 = -33.7721210261000
a5 = -8.63937979737000
a6 = 82.4668071567000
a7 = 10.2101761242000
a8 = 0.785398163397000
a9 = 85.6083998103000
a10 = 22.7765467385000
a11 = 32.2013246993000
a12 = 51.0508806208000
a13 = 25.9181393921000
a14 = -5.49778714378000
a15 = 57.3340659280000
a16 = -43.1968989869000
a17 = 76.1836218496000
a18 = -27.4889357189000
a19 = 91.8915851175000
a20 = -99.7455667515000
a21 = -71.4712328692000
a22 = -2.35619449019000
a23 = -74.6128255228000
a24 = 88.7499924639000
a25 = 29.0597320457000
a26 = 3.92699081699000
a27 = -55.7632696012000
a28 = -40.0553063333000
a29 = -36.9137136797000
a30 = 35.3429173529000
a31 = 79.3252145031000
a32 = 16.4933614313000
a33 = 95.0331777711000
a34 = -58.9048622548000
a35 = -46.3384916404000
a36 = 66.7588438888000
a37 = 47.9092879672000
a38 = 69.9004365424000
a39 = 7.06858347058000
a40 = -96.6039740979000
a41 = 13.3517687778000
a42 = 98.1747704247000
a43 = 41.6261026601000
a44 = 63.6172512352000
a45 = 60.4756585816000
a46 = 19.6349540849000
a47 = 38.4845100065000
a48 = -18.0641577581000
a49 = -21.2057504117000
a50 = -62.0464549084000
a51 = -49.4800842940000
a52 = -84.0376034835000
a53 = -52.6216769476000
a54 = -68.3296402156000
a55 = -93.4623814443000
a56 = 44.7676953137000
a57 = -87.1791961371000
a58 = -24.3473430653000
a59 = -14.9225651046000
a60 = -11.7809724510000
a61 = -90.3207887907000
a62 = 54.1924732744000
a63 = -30.6305283725000
a64 = -65.1880475620000