Sr Examen

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cos; x+2*y=7

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Gráfico:

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Solución

Ha introducido [src]
cos(x) = 0
$$\cos{\left(x \right)} = 0$$
x + 2*y = 7
$$x + 2 y = 7$$
x + 2*y = 7
Respuesta rápida
$$x_{1} = - \frac{3 \pi}{2}$$
=
$$- \frac{3 \pi}{2}$$
=
-4.71238898038469

$$y_{1} = \frac{3 \pi}{4} + \frac{7}{2}$$
=
$$\frac{3 \pi}{4} + \frac{7}{2}$$
=
5.85619449019234
$$x_{2} = - \frac{\pi}{2}$$
=
$$- \frac{\pi}{2}$$
=
-1.57079632679490

$$y_{2} = \frac{\pi}{4} + \frac{7}{2}$$
=
$$\frac{\pi}{4} + \frac{7}{2}$$
=
4.28539816339745
Respuesta numérica [src]
x1 = -10.99557428756428
y1 = 8.997787143782138
x2 = 10.99557428756428
y2 = -1.997787143782138
x3 = -1.570796326794897
y3 = 4.285398163397448
x4 = 1.570796326794897
y4 = 2.714601836602552
x4 = 1.570796326794897
y4 = 2.714601836602552