Extracted text: 6. During an instant of observation at a place whose latitude is N38°29'42", the sun's apparent declination (d) already corrected for refraction and parallax, and true altitude (h) were determined to be N17°24'29" and 32°55'30", respectively. Determine the length (in angular units) of the three sides of the astronomical triangle formed by the sun, the observer's zenith, and celestial pole.