2^{1/4}[cos(1/8 pi)+isin(1/8 pi)]

Lösung

2^{\frac{1}{4}} [cos (\frac{1}{8} π) + i sin (\frac{1}{8} π)]

1.09868 \dots + 0.45508 \dots i

Schritte zur Lösung

2^{\frac{1}{4}} [cos (\frac{1}{8} π) + i sin (\frac{1}{8} π)]

Vereinfache zur Dezimalform

= 1.09868 \dots + 0.45508 \dots i

arccos (tan (- \frac{5 π}{4}))

cos (arccos (3))

arccos (180)

\frac{π}{2} + cos (\frac{π}{2})

\frac{16}{sin ( 4 5 ^{\circ} )}