- #1

zn52

- 22

- 0

hello,

Please attached snapshot of an answer to an Ex. I was stunned at the formula for the derivative of the solid angle which is :

d(solid angle) = dv

I would appreciate if somebody can provide some hints on how one can find it ?

Thank you,

Please attached snapshot of an answer to an Ex. I was stunned at the formula for the derivative of the solid angle which is :

d(solid angle) = dv

^{x}* dv^{y}I would appreciate if somebody can provide some hints on how one can find it ?

Thank you,