(tan(78)+tan(42))/(1-tan(78)tan(42))

Lösung

\frac{tan ( 7 8 ^{\circ} ) + tan ( 4 2 ^{\circ} )}{1 - tan ( 7 8 ^{\circ} ) tan ( 4 2 ^{\circ} )}

- 1.73205 \dots

Schritte zur Lösung

\frac{tan ( 7 8 ^{\circ} ) + tan ( 4 2 ^{\circ} )}{1 - tan ( 7 8 ^{\circ} ) tan ( 4 2 ^{\circ} )}

Vereinfache zur Dezimalform

= - 1.73205 \dots

sin (23.8 2^{\circ})

sec^{2} (2 9^{\circ}) - cot^{2} (6 1^{\circ})

arctan (\frac{7.51}{9.8} + 0.2)

sin (\frac{3}{6})

sin (0.25 \cdot π \cdot 4)