20cos(25)

Lösung

20 cos (2 5^{\circ})

18.12615 \dots

Schritte zur Lösung

20 cos (2 5^{\circ})

Vereinfache zur Dezimalform

= 18.12615 \dots

\frac{1}{sin ( 3 0 ^{\circ} )}

sin (20 π)

cos (arcsin (\frac{24}{25}))

sin (1 5^{\circ}) cos (1 5^{\circ}) + cos (1 5^{\circ}) sin (1 5^{\circ})

sin (\frac{π}{2}) - sin (\frac{π}{4})