Risolvi sin^-18/17+sin^-13/5=cos^-130/85

$$\sin ^ { - 1 } \frac { 8 } { 17 } + \sin ^ { - 1 } \frac { 3 } { 5 } = \cos ^ { - 1 } \frac { 30 } { 85 }$$

Verifica

Procedura della soluzione

Calcola funzioni trigonometriche nel problema

$$0,008213221784328803 ^ {-1} + 0,010471784116245792 ^ {-1} = 0,9999810273487268 ^ {-1}$$

Calcola 0,008213221784328803 alla potenza di -1 e ottieni \frac{1000000000000000000}{8213221784328803}.

$$\frac{1000000000000000000}{8213221784328803}+0,010471784116245792^{-1}=0,9999810273487268^{-1}$$

Calcola 0,010471784116245792 alla potenza di -1 e ottieni \frac{31250000000000000}{327243253632681}.

$$\frac{1000000000000000000}{8213221784328803}+\frac{31250000000000000}{327243253632681}=0,9999810273487268^{-1}$$

E \frac{1000000000000000000}{8213221784328803} e \frac{31250000000000000}{327243253632681} per ottenere \frac{583906434392956093750000000000000}{2687721419510571287047090410843}.

$$\frac{583906434392956093750000000000000}{2687721419510571287047090410843}=0,9999810273487268^{-1}$$

Calcola 0,9999810273487268 alla potenza di -1 e ottieni \frac{2500000000000000}{2499952568371817}.

$$\frac{583906434392956093750000000000000}{2687721419510571287047090410843}=\frac{2500000000000000}{2499952568371817}$$

Confronta \frac{583906434392956093750000000000000}{2687721419510571287047090410843} e \frac{2500000000000000}{2499952568371817}.

$$\text{false}$$