3、根据条件求锐角 [1]sinA=0.753,求角A [2]cosB=0.0832,角B [3]tanC=45.8,求角C
问题描述:
3、根据条件求锐角 [1]sinA=0.753,求角A [2]cosB=0.0832,角B [3]tanC=45.8,求角C
答
A = 48.85°
B = 85.23°
C = 88.75°