Recent content by Agbolademola

Fisrt, let the function be W =arctan(y/x) Also, let W=arctan(U), such that U=y/x, then, dW= (dW/dU)(dU/dx) + (dW/dU)(dU/dy)...1 But, dW/dU= 1/(1+U**2).........2 Also, dU/dx= -y(x)**-2, and dU/dy= 1/x .: dW=...