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(cos(-2*x)+1)*(sin(-x)+1)=0 la ecuación

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Solución numérica:

Buscar la solución numérica en el intervalo [, ]

Solución

Ha introducido [src]
(cos(-2*x) + 1)*(sin(-x) + 1) = 0
$$\left(\sin{\left(- x \right)} + 1\right) \left(\cos{\left(- 2 x \right)} + 1\right) = 0$$
Gráfica
Respuesta rápida [src]
     pi
x1 = --
     2 
$$x_{1} = \frac{\pi}{2}$$
x1 = pi/2
Suma y producto de raíces [src]
suma
pi
--
2 
$$\frac{\pi}{2}$$
=
pi
--
2 
$$\frac{\pi}{2}$$
producto
pi
--
2 
$$\frac{\pi}{2}$$
=
pi
--
2 
$$\frac{\pi}{2}$$
pi/2
Respuesta numérica [src]
x1 = 10.9955742263983
x2 = -67.5433555724389
x3 = -36.1278848854938
x4 = -26.7035374372759
x5 = -76.969019995616
x6 = -48.6945140181176
x7 = 54.9778713490129
x8 = -67.5448096307698
x9 = 61.2610568172725
x10 = 73.8274274759892
x11 = 92.6769831011445
x12 = -32.9867228891581
x13 = -64.4026492116344
x14 = 64.402221428346
x15 = 98.9601684771417
x16 = 64.4024063292093
x17 = 64.4023456191615
x18 = -7.85398150054739
x19 = -51.8362786901773
x20 = -83.2522055074173
x21 = -23.5613757152095
x22 = -39.2699083561389
x23 = 7.85449203482158
x24 = 7.85446625234806
x25 = 80.110613149335
x26 = 20.4198771724364
x27 = -95.8185758682085
x28 = 23.5619450934022
x29 = 20.4205291515403
x30 = 14.1376285221535
x31 = 51.8368160394824
x32 = -89.5353907432527
x33 = -1.57079642745232
x34 = 29.8451303174952
x35 = -29.8448003664093
x36 = 86.3937978895789
x37 = 95.8191645561546
x38 = -73.827187166866
x39 = -80.1102374435978
x40 = 20.4199253029651
x41 = 17.2787596924881
x42 = 67.5442422451643
x43 = 95.8181442217646
x44 = 51.8362707547839
x45 = -45.5530935855043
x46 = 4.71238879574447
x47 = -58.1194640010046
x48 = 42.4115007309064
x49 = -64.4026490084977
x50 = -20.420352058873
x51 = -23.5624665103287
x52 = -14.137166841484
x53 = 58.1200311748962
x54 = 48.6946859481857
x55 = -70.6858345709582
x55 = -70.6858345709582