Asked by Frodrick

How do you find the exact value of an inverse function geometrically.

ie, tan(cos-1(4/5))
Answered by bobpursley
if cosine is 4/5, then the triangle is 3,4,5. Tan is 3/4
Answered by Frodrick
nooooooooooooooooooo... its sooooooo simple!!!!!!!!!!.... Well, thanks!