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Popular >

cos(W)=(170^2+173^2-125^2)/(2(170)(173))

Solución

cos (W) = \frac{17 0 ^{2} + 17 3 ^{2} - 12 5 ^{2}}{2 ( 170 ) ( 173 )}

Solución

W = 0.74584 \dots + 2 πn, W = 2 π - 0.74584 \dots + 2 πn

+1

Pasos de solución

cos (W) = \frac{17 0 ^{2} + 17 3 ^{2} - 12 5 ^{2}}{2 ( 170 ) ( 173 )}

Simplificar

\frac{17 0 ^{2} + 17 3 ^{2} - 12 5 ^{2}}{2 \cdot 170 \cdot 173} : \frac{10801}{14705}

Aplicar propiedades trigonométricas inversas

W = arccos (\frac{10801}{14705}) + 2 πn, W = 2 π - arccos (\frac{10801}{14705}) + 2 πn

Mostrar soluciones en forma decimal

W = 0.74584 \dots + 2 πn, W = 2 π - 0.74584 \dots + 2 πn

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