1. ## Derivatives

I have two questions regarding derivatives of inverse trigonometric functions

A) Show that dy/dx =(x + y)/(x - y) if arctan(y/x) = log|sqrt(x^2 + y^2)|

B) Compute the second derivative of y = (arcsin x)/ sqrt(1 -x^2) for |x|<1.

Thanks a bunch for the help

2. Originally Posted by ClipsClips99
I have two questions regarding derivatives of inverse trigonometric functions

A) Show that dy/dx =(x + y)/(x - y) if arctan(y/x) = log|sqrt(x^2 + y^2)|
Here's the first

3. Originally Posted by ClipsClips99

B) Compute the second derivative of y = (arcsin x)/ sqrt(1 -x^2) for |x|<1.
Here's the second