es

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

cos^2(x)+sin^2(x)=cos^5(x)

Solución

cos^{2} (x) + sin^{2} (x) = cos^{5} (x)

Solución

x = 2 πn

+1

Grados

x = 0^{\circ} + 36 0^{\circ} n

Pasos de solución

cos^{2} (x) + sin^{2} (x) = cos^{5} (x)

Re-escribir usando identidades trigonométricas

cos^{2} (x) + sin^{2} (x)

Utilizar la identidad pitagórica:

cos^{2} (x) + sin^{2} (x) = 1

= 1

1 = cos^{5} (x)

Intercambiar lados

cos^{5} (x) = 1

Para

x^{n} = f (a)

, n es impar, la solución es

Aplicar la regla

= 1

cos (x) = 1

Soluciones generales para

cos (x) = 1

cos (x)

tabla de valores periódicos con

2 πn

intervalos:

x 0 \frac{π}{6} \frac{π}{4} \frac{π}{3} \frac{π}{2} \frac{2 π}{3} \frac{3 π}{4} \frac{5 π}{6} cos (x) 1 \frac{3}{2} \frac{2}{2} \frac{1}{2} 0 - \frac{1}{2} - \frac{2}{2} - \frac{3}{2} x π \frac{7 π}{6} \frac{5 π}{4} \frac{4 π}{3} \frac{3 π}{2} \frac{5 π}{3} \frac{7 π}{4} \frac{11 π}{6} cos (x) - 1 - \frac{3}{2} - \frac{2}{2} - \frac{1}{2} 0 \frac{1}{2} \frac{2}{2} \frac{3}{2}

x = 0 + 2 πn

x = 0 + 2 πn

Resolver

x = 0 + 2 πn : x = 2 πn

x = 0 + 2 πn

0 + 2 πn = 2 πn

x = 2 πn

x = 2 πn

Ejemplos populares

sin(x-45^5)=((sqrt(2)))/2

sin (x - 4 5^{5}) = \frac{( 2 )}{2}

(sin(x)-sqrt(3)*cos(x))/2 =0

\frac{sin ( x ) - 3 \cdot cos ( x )}{2} = 0

cos(1/(3x))= 1/3

cos (\frac{1}{3 x}) = \frac{1}{3}

arctan(1+x)+arctan(1-x)=arctan(1/2)

arctan (1 + x) + arctan (1 - x) = arctan (\frac{1}{2})

- 4 cos^{2} (x) = 0