arctan(tan(-(2pi)/5))

Lösung

arctan (tan (- \frac{2 π}{5}))

- \frac{2 π}{5}

Dezimale

- 72

Schritte zur Lösung

arctan (tan (- \frac{2 π}{5}))

Use the inverse trig property:

- \frac{2 π}{5}

arctan (tan (- \frac{2 π}{5}))

Für

- \frac{π}{2} < x < \frac{π}{2}, a rc t an (t an (x)) = x

- \frac{π}{2} < - \frac{2 π}{5} < \frac{π}{2}

= - \frac{2 π}{5}

= - \frac{2 π}{5}

8 sin (- \frac{π}{3})

sin (2 arctan (\frac{5}{12}))

tan (\frac{135}{2})

csc (7)

arccos (\frac{4.4}{6.5})