Integral de (sin(1-4*x))^2 dx
Solución
Respuesta (Indefinida)
[src]
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| 3 4 2
| 2 tan (-1/2 + 2*x) tan(-1/2 + 2*x) 2*x 2*x*tan (-1/2 + 2*x) 4*x*tan (-1/2 + 2*x)
| sin (1 - 4*x) dx = C + ------------------------------------------- - ------------------------------------------- + ------------------------------------------- + ------------------------------------------- + -------------------------------------------
| 4 2 4 2 4 2 4 2 4 2
/ 4 + 4*tan (-1/2 + 2*x) + 8*tan (-1/2 + 2*x) 4 + 4*tan (-1/2 + 2*x) + 8*tan (-1/2 + 2*x) 4 + 4*tan (-1/2 + 2*x) + 8*tan (-1/2 + 2*x) 4 + 4*tan (-1/2 + 2*x) + 8*tan (-1/2 + 2*x) 4 + 4*tan (-1/2 + 2*x) + 8*tan (-1/2 + 2*x)
$$\int \sin^{2}{\left(1 - 4 x \right)}\, dx = C + \frac{2 x \tan^{4}{\left(2 x - \frac{1}{2} \right)}}{4 \tan^{4}{\left(2 x - \frac{1}{2} \right)} + 8 \tan^{2}{\left(2 x - \frac{1}{2} \right)} + 4} + \frac{4 x \tan^{2}{\left(2 x - \frac{1}{2} \right)}}{4 \tan^{4}{\left(2 x - \frac{1}{2} \right)} + 8 \tan^{2}{\left(2 x - \frac{1}{2} \right)} + 4} + \frac{2 x}{4 \tan^{4}{\left(2 x - \frac{1}{2} \right)} + 8 \tan^{2}{\left(2 x - \frac{1}{2} \right)} + 4} + \frac{\tan^{3}{\left(2 x - \frac{1}{2} \right)}}{4 \tan^{4}{\left(2 x - \frac{1}{2} \right)} + 8 \tan^{2}{\left(2 x - \frac{1}{2} \right)} + 4} - \frac{\tan{\left(2 x - \frac{1}{2} \right)}}{4 \tan^{4}{\left(2 x - \frac{1}{2} \right)} + 8 \tan^{2}{\left(2 x - \frac{1}{2} \right)} + 4}$$
2 2
cos (3) sin (3) cos(1)*sin(1) cos(3)*sin(3)
------- + ------- - ------------- - -------------
2 2 8 8
$$- \frac{\sin{\left(1 \right)} \cos{\left(1 \right)}}{8} + \frac{\sin^{2}{\left(3 \right)}}{2} - \frac{\sin{\left(3 \right)} \cos{\left(3 \right)}}{8} + \frac{\cos^{2}{\left(3 \right)}}{2}$$
=
2 2
cos (3) sin (3) cos(1)*sin(1) cos(3)*sin(3)
------- + ------- - ------------- - -------------
2 2 8 8
$$- \frac{\sin{\left(1 \right)} \cos{\left(1 \right)}}{8} + \frac{\sin^{2}{\left(3 \right)}}{2} - \frac{\sin{\left(3 \right)} \cos{\left(3 \right)}}{8} + \frac{\cos^{2}{\left(3 \right)}}{2}$$
cos(3)^2/2 + sin(3)^2/2 - cos(1)*sin(1)/8 - cos(3)*sin(3)/8
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.