\magnification=\magstep1


$$
\int{ \thinspace \left ( {{1}\over{x}} \right ) dx } \quad = \quad \ln(x) 
$$

$$
\int{ \thinspace \left ( e^{x} \right ) dx } \quad = \quad e^{x}
$$

$$
\int{ \thinspace \sin(x)  dx } \quad = \quad - \cos(x)
$$

$$
\int{ \thinspace \cos(x)  dx } \quad = \quad \sin(x)
$$

\bye
