16.5度和65度44(飘)的正切,余切,正弦,余弦是多少?(具体点)
问题描述:
16.5度和65度44(飘)的正切,余切,正弦,余弦是多少?(具体点)
答
是秒吧?tg16.5°≈0.2962134949620802ctg16.5°≈3.3759434225912461sin16.5°≈0.2840153447039226cos16.5°≈0.9588197348681930tg65°44”≈2.1457018155258415ctg65°44”≈0.4660479814875548sin65°44”≈0.90...