(cos(90)+cos(0))/(2cos(50))

Lösung

\frac{cos ( 9 0 ^{\circ} ) + cos ( 0 )}{2 cos ( 5 0 ^{\circ} )}

0.77786 \dots

Schritte zur Lösung

\frac{cos ( 9 0 ^{\circ} ) + cos ( 0 )}{2 cos ( 5 0 ^{\circ} )}

Vereinfache zur Dezimalform

= 0.77786 \dots

cos (2 (\frac{2 π}{3}))

\frac{4}{cos ( 4 0 ^{\circ} )}

2.1 sin (3 7^{\circ})

7 cos (9 0^{\circ}) + 4 sin (18 0^{\circ} + \frac{π}{3})

sin (0.002)