Răspuns :
Pe cale trigonometrica:
Pai [tex] \pi [/tex]=180°
5*180° = 75°
12
180° = 22°30`(22 grade 30 minute)
8
Pai [tex] \pi [/tex]=180°
5*180° = 75°
12
180° = 22°30`(22 grade 30 minute)
8
[tex]\dfrac{5\pi}{12}=\dfrac{5\cdot180^{\circ}}{12}=75^{\circ}[/tex]
[tex]\dfrac{\pi}{8}=\dfrac{180^{\circ}}{8}=22^{\circ}\ 30'[/tex]
[tex]\dfrac{\pi}{8}=\dfrac{180^{\circ}}{8}=22^{\circ}\ 30'[/tex]