cos(x)= 9/14

Solución

cos (x) = \frac{9}{14}

x = 0.87257 \dots + 2 πn, x = 2 π - 0.87257 \dots + 2 πn

Grados

x = 49.99479 \dots^{\circ} + 36 0^{\circ} n, x = 310.00520 \dots^{\circ} + 36 0^{\circ} n

Pasos de solución

cos (x) = \frac{9}{14}

Aplicar propiedades trigonométricas inversas

cos (x) = \frac{9}{14}

Soluciones generales para

cos (x) = \frac{9}{14}

cos (x) = a \Rightarrow x = arccos (a) + 2 πn, x = 2 π - arccos (a) + 2 πn

x = arccos (\frac{9}{14}) + 2 πn, x = 2 π - arccos (\frac{9}{14}) + 2 πn

x = arccos (\frac{9}{14}) + 2 πn, x = 2 π - arccos (\frac{9}{14}) + 2 πn

Mostrar soluciones en forma decimal

x = 0.87257 \dots + 2 πn, x = 2 π - 0.87257 \dots + 2 πn

sin (θ) = \frac{7}{9}

cos (θ) = 0.97617

cos (a) = 0, 99 9^{99} x, \frac{sin ( a )}{cos ( a )} x

sin (\frac{x}{2} + π) = \frac{3}{2 3}

cos (b) = \frac{cos ( 8 0 ^{\circ} )}{cos ( 5 0 ^{\circ} )}