Inverse trigonometric function

To evaluate the effect of shear on deformation of beams , shear in beams under the action of a concentrated load is expressed in terms of a single-valued continuous inverse trigonometric function .

为了估计剪力对梁变形的影响，在集中力作用下梁内剪力用一个单值连续的反三角函数表示。

A Brief Talk in Teaching Inverse Trigonometric Function

浅谈反三角函数概念的教学