curly brackets system of equations via LaTeX

Why is this not working correctly and how can I fix it?

title('$\begin{cases}\sin(x-y)-xy+1=0 \\ x^2-y^2=0.75\end{cases}$');

Answer 1

[Bohdan Syvashchenko]

I am not familiar with LaTex but trying back and forth I came up with this solution:

figure
title('$\left\{\begin{array}{@{}ll@{}}\sin(x-y)-xy+1=0 \\ x^2-y^2=0.75 \end{array}\right.$', "Interpreter", "latex")

Answer 2

[Stephan]

figure
title({'$sin(x-y)-xy+1=0$','$x^2-y^2=0.75$'}, 'Interpreter','LaTex')

[1i10]

This is not what I meant. My curly brace does not combine these two equations. And it should be like this: