sina=0.239655,A等于多少度

更新时间2020-10-26 20:06:40

sinA=0.239655

a=arcsin0.239655

A₁=360°k+a

A₂=360°k+(180°-a)

其中k是整数

a≈13.866179°

sina=0.239655

A=arcsin0.239655≈13.866179°≈13°51＇58＂

sina=0.239655

a=arcsin0.239655

=13.866179085......°

=13°51.9707451......'

=13°51'58.24470......"

≈13°51'58”