[填空题]
Eclipses happen on Eab(l1vq nu h7l j-8qz)t, kez+ctxg ,w eo:zq4*rth because of an amazing coincidence. Calculate, using the information inside the Froe,q :z z4t ,c+ogkw*xent Cover, the angular diameters (in radians) of the Sun and the Moon, as seen on Earth.
Sun = $rad$ Moon = $rad$