<math xmlns="http://www.w3.org/1998/Math/MathML" display="block"> | |
<mrow> | |
<msub> | |
<mtext>sinc</mtext> | |
<mi>a</mi> | |
</msub> | |
<mfenced> | |
<mrow> | |
<mi>x</mi> | |
</mrow> | |
</mfenced> | |
<mspace width="1em"/> | |
<mo>=</mo> | |
<mspace width="1em"/> | |
<mfrac> | |
<mrow> | |
<mi>sin</mi> | |
<mfenced> | |
<mrow> | |
<mfrac> | |
<mrow> | |
<mi>π</mi> | |
<mi>x</mi> | |
</mrow> | |
<mi>a</mi> | |
</mfrac> | |
</mrow> | |
</mfenced> | |
</mrow> | |
<mrow> | |
<mfrac> | |
<mrow> | |
<mi>π</mi> | |
<mi>x</mi> | |
</mrow> | |
<mi>a</mi> | |
</mfrac> | |
</mrow> | |
</mfrac> | |
</mrow> | |
</math> | |