Here are a few more LaTeX codes you may enjoy ... or not.
\circlearrowleft . $\displaystyle \circlearrowleft$ . . . \circlearrowright . $\displaystyle \qquad\circlearrowright$
\curvearrowleft . $\displaystyle \curvearrowleft$ . . \curvearrowright . $\displaystyle \curvearrowright$
\rightsquigarrow . $\displaystyle \rightsquigarrow$
\bar{x} . $\displaystyle \bar{x}$
\langle . $\displaystyle \langle$ . . . . \rangle . $\displaystyle \rangle$
\hdots . $\displaystyle \hdots$ . . \cdots . . $\displaystyle \cdots$ . . \ddots . $\displaystyle \ddots$
\pmod{n} . $\displaystyle \pmod{n}$
\boxed{x = 1} . $\displaystyle \boxed{x = 1}$
9\choose3 . $\displaystyle 9\choose3$ . . . \binom{9}{3} . $\displaystyle \binom{9}{3}$
\! . removes a space
. . \sin^2x + \cos^2x produces: $\displaystyle \sin^2x + \cos^2x$
. . . . . . . . . . . . . . . . . . . . . . . . . .$\displaystyle \uparrow$ . . . . $\displaystyle \uparrow$
I found that the extra spaces can be confusing.
They can be removed with: \sin^2\!x + \cos\!x: .$\displaystyle \sin^2\!x + \cos^2\!x$