• Check Equality
    • itbpF50.75pt21.75pt6ptex3.wmfCheck the equality 1 + 1 = 3
    • itbpF50.75pt21.75pt6ptex3.wmfCheck the equality ${\frac{{9}}{{8}}}$ - ${\frac{{8}}{{9}}}$ = $\left\vert\vphantom{ \frac{9}{8}-\frac{8}{9}% }\right.$${\frac{{9}}{{8}}}$ - ${\frac{{8}}{{9}% }}$$\left.\vphantom{ \frac{9}{8}-\frac{8}{9}% }\right\vert$
    • itbpF50.75pt21.75pt6ptex3.wmfCheck the equality arcsin $\left(\vphantom{ \text{\texttt{sin}}\mathit{% \mathtt{\mathit{\,}}}x}\right.$sin42 x$\left.\vphantom{ \text{\texttt{sin}}\mathit{% \mathtt{\mathit{\,}}}x}\right)$ = x
    • Check these equalities