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Beliebt Trigonometrie >

arctan(tan(-(4pi)/9))

Lösung

arctan (tan (- \frac{4 π}{9}))

Lösung

- \frac{4 π}{9}

+1

Dezimale

- 80

Schritte zur Lösung

arctan (tan (- \frac{4 π}{9}))

Use the inverse trig property:

- \frac{4 π}{9}

arctan (tan (- \frac{4 π}{9}))

Für

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

- \frac{π}{2} < - \frac{4 π}{9} < \frac{π}{2}

= - \frac{4 π}{9}

= - \frac{4 π}{9}

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