-(2ln(0.7))/(3.5ln(0.8cos(21.98)))

Lösung

- \frac{2 ln ( 0.7 )}{3.5 ln ( 0.8 cos ( 21.9 8 ^{\circ} ) )}

- 0.68255 \dots

Schritte zur Lösung

- \frac{2 ln ( 0.7 )}{3.5 ln ( 0.8 cos ( 21.9 8 ^{\circ} ) )}

Vereinfache zur Dezimalform

= - 0.68255 \dots

5 sin (2)

- 2 cos (7 0^{\circ}) cos (11 0^{\circ}) - 1

0.6 \cdot sin (3 0^{\circ})

cos (0.8027)

arccos (\frac{7}{53})