find the nth derivative of y=tan(inverse) ((x*sin a)/(1-x*cos a))

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- Sep 15th 2012, 02:14 AMprasumsuccessive differentiation
find the nth derivative of y=tan(inverse) ((x*sin a)/(1-x*cos a))

- Sep 15th 2012, 08:51 AMSorobanRe: successive differentiation
Hello, prasum!

The first derivative was hard enough.

Quote:

We have: .

. . .

. . .

*Good luck!* - Sep 15th 2012, 08:56 AMMarkFLRe: successive differentiation
I did essentially the same thing as

**soroban**, and even computed up the the 4th derivative, and only found a partial pattern...so I second the "Good luck!" :)