A角的度数:
顺序按键:3,÷,5,=,Inv,sin-1;结果:36.869897645844······°.或
顺序按键:3,÷,4,=,Inv,tg-1;结果:36.869897645844······°.
B角的度数:
顺序按键:4,÷,5,=,Inv,sin-1;结果:53.1301023541559787······°.或
顺序按键:4,÷,3,=,Inv,tg-1;结果:53.1301023541559787······度.
A角的度数:
顺序按键:3,÷,5,=,Inv,sin-1;结果:36.869897645844······°.或
顺序按键:3,÷,4,=,Inv,tg-1;结果:36.869897645844······°.
B角的度数:
顺序按键:4,÷,5,=,Inv,sin-1;结果:53.1301023541559787······°.或
顺序按键:4,÷,3,=,Inv,tg-1;结果:53.1301023541559787······度.