已知直角三角形两边长 求角度

2025-03-10 13:09:36
推荐回答(3个)
回答1:

725/1260=0.5754
cos∠A=0.5754
∠A=54.87°

回答2:

=arccos(725/1260)=0.957707(弧度) =54.87257(度)725/1260=0.5754
cos∠A=0.5754
∠A=54.87°

回答3:

=arccos(725/1260)=0.957707(弧度) =54.87257(度)