If $x=a \bigg( \cos\: \theta +\log \tan\large \frac{\theta}{2} \bigg)$ and $y = a\sin\: \theta,$ find the value of $\large\frac{d^2y}{dx^2}$$\: at \: \theta = \large\frac{\pi}{4}.$

Share

Please log in or register to add a comment.