Sr Examen
Otras calculadoras
-
¿Cómo usar?
- La ecuación:
-
Ecuación x-x/7=15/7
-
Ecuación 7+x=4
-
Ecuación 3-3*6+2=x
-
Ecuación |x-2|+|x-4|=3
- Expresar {x} en función de y en la ecuación:
- 7*x-2*y=20
- -9*x-15*y=-4
- -13*x+7*y=11
- -7*x-7*y=-14
- Suma de la serie:
-
cos(x)
- Límite de la función:
-
cos(x)
- Derivada de:
-
cos(x)
-
Expresiones idénticas
- cos(x)=sqrt((uno +sin(x))/ dos)
- coseno de (x) es igual a raíz cuadrada de ((1 más seno de (x)) dividir por 2)
- coseno de (x) es igual a raíz cuadrada de ((uno más seno de (x)) dividir por dos)
- cos(x)=√((1+sin(x))/2)
- cosx=sqrt1+sinx/2
- cos(x)=sqrt((1+sin(x)) dividir por 2)
-
Expresiones semejantes
- sinx=cosx
- cos(x)=sqrt((1-sin(x))/2)
- cosx=sqrt((1+sinx)/2)
-
Expresiones con funciones
- Coseno cos
- cos(x)=-(sqrt(2)/2)
- cos(x)=2*cos((pi/3)-x)
- cosx=3^0.5/2
- cosx=-1.2
- cos(-x/2+pi/4)=sqrt3/2
- Raíz cuadrada sqrt
- sqrt(x)=-9
- sqrt(3)/2*cos(x)-1/2*sin(x)=1
- sqrt(x)=2-x
- sqrt(x+2)=x
- sqrt(x+1)=1-x
- Seno sin
- sin(5*x)=cos(4*x)
- sin(x+pi/3)=0
- sin(x-pi/3)=0
- sinx-1=0
- sinx+1=0
cos(x)=sqrt((1+sin(x))/2) la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Ha introducido
[src]
____________
/ 1 + sin(x)
cos(x) = / ----------
\/ 2
$$\cos{\left(x \right)} = \sqrt{\frac{\sin{\left(x \right)} + 1}{2}}$$
Respuesta rápida
[src]
-pi
x1 = ----
2
$$x_{1} = - \frac{\pi}{2}$$
pi
x2 = --
6
$$x_{2} = \frac{\pi}{6}$$
x2 = pi/6
Suma y producto de raíces
[src]
suma
pi pi - -- + -- 2 6
$$- \frac{\pi}{2} + \frac{\pi}{6}$$
=
-pi ---- 3
$$- \frac{\pi}{3}$$
producto
-pi pi ----*-- 2 6
$$- \frac{\pi}{2} \frac{\pi}{6}$$
=
2 -pi ----- 12
$$- \frac{\pi^{2}}{12}$$
-pi^2/12
Respuesta numérica
[src]
x1 = 4.71238898038469
x2 = -20.4203522483337
x3 = -14.1371669411541
x4 = -32.9867228626928
x5 = 10.9955742875643
x6 = -49.7418836818384
x7 = -81.1578102177363
x8 = 38.2227106186758
x9 = 42.4115008234622
x10 = -74.8746249105567
x11 = 88.4881930761125
x12 = 31.9395253114962
x13 = -187.971960439789
x14 = -95.8185759344887
x15 = 44.5058959258554
x16 = -7.85398163397448
x17 = -5.75958653158129
x18 = 13.0899693899575
x19 = -93.7241808320955
x20 = 80.1106126665397
x21 = -68.5914396033772
x22 = -56.025068989018
x23 = -30.8923277602996
x24 = -24.60914245312
x25 = 94.7713783832921
x26 = 17.2787595947439
x27 = 61.261056745001
x28 = 29.845130209103
x29 = 23.5619449019235
x30 = -70.6858347057703
x31 = 69.6386371545737
x32 = -43.4586983746588
x33 = 63.3554518473942
x34 = 19.3731546971371
x35 = -26.7035375555132
x36 = -18.3259571459405
x37 = -62.3082542961976
x38 = -106.290551446455
x39 = 25.6563400043166
x40 = 6.80678408277789
x41 = 92.6769832808989
x42 = 50.789081233035
x43 = -87.4409955249159
x44 = 86.3937979737193
x45 = -58.1194640914112
x46 = 36.1283155162826
x47 = -45.553093477052
x48 = -51.8362787842316
x49 = 67.5442420521806
x50 = -100.007366139275
x51 = 54.9778714378214
x52 = -39.2699081698724
x53 = -12.0427718387609
x54 = -83.2522053201295
x55 = -76.9690200129499
x56 = 48.6946861306418
x57 = -64.4026493985908
x58 = 82.2050077689329
x59 = 57.0722665402146
x60 = 73.8274273593601
x61 = -1.5707963267949
x62 = -37.1755130674792
x63 = 98.9601685880785
x64 = 0.523598775598299
x65 = -89.5353906273091
x66 = 75.9218224617533
x66 = 75.9218224617533
Gráfico