The geometrical meaning of inverse trigonometric function

Thomas Calculus Tenth Edition (note the typographical errors in the book)

Description

Sin (a) =X/1 = X

cos (b) =x/1=x

According to the inverse function definition arcsin (x) =a, Arccos (x) =b

The range x for sin (a), x, is the input to Arcsin (x), then arcsin (x)->a

According to the geometric meaning of the graph arcsin (x) is the unit circle, when X is taken at the horizontal axis, the corresponding a angle (that is, a corresponding arc length)

Reference:

Http://zhidao.baidu.com/link?url= 551zwzlaluk7auu9wwttxkj5dywnmyuc3sxrsvuvdyvgdmakws5jzpc8xnenogcscwvq6z3-gdoqgvuiidt0kgaaw_u3g60iefvvfilg_yu

The geometrical meaning of inverse trigonometric function