15°30′5″=_____″;7200″=_____°
15°30′5″=_____″;7200″=_____°
56°27′36″=_____度,72°28′=_____度_____分_____秒.
33.33°=_____度_____分_____秒.118°20′42″_____度
56°25′72″=_____度.
98°30′18″=___°37.145°=___度___分_____秒
12°24′=_____°
填空题:①15°=_____弧度,3π弧度=_____° ②函数y=sin2x的周期是_____,最大值是_____.③
5.32°=_____″ 25920″=____° 23°29′+58°37″=______
角的单位换算32.18°=____°_____'_____"42.36°=____°_____'_____"
6°30'18''=______°;37.145°=_____°_____'____''
一.填空题:1.2/3直角=___°,45°=____平角=_____周角2.6°30′18″=_________°;3
度分秒运算 16.7°=____°_____′_____" 76°32′24"=______°_____′______"