As per the given question,
Find $\frac{d y}{d x}$, when $\quad x=\frac{e^{t}+e^{-t}}{2}$ and $y=\frac{e^{t}-e^{-t}}{2}$
Find $\frac{d y}{d x}$, when $\quad x=\frac{e^{t}+e^{-t}}{2}$ and $y=\frac{e^{t}-e^{-t}}{2}$
As per the given question,