diff --git a/source/signal_processing/fourier_tables.rst b/source/signal_processing/fourier_tables.rst
index a468844..94467f1 100644
--- a/source/signal_processing/fourier_tables.rst
+++ b/source/signal_processing/fourier_tables.rst
@@ -16,7 +16,7 @@ Table of pairs
    :math:`e^{-at}u(t)`, :math:`\frac{1}{j\omega + a}`
    :math:`e^{j\omega_0t}`, :math:`2\pi\delta(\omega-\omega_0)`
    :math:`\mathrm{cos}(\omega_0t)`, :math:`\pi[\delta(\omega-\omega_0)+\delta(\omega+\omega_0)]`
-   :math:`\mathrm{sin}(\omega_0t)`, :math:`\frac{\pi}{j}[\delta(\omega-\omega_0)+\delta(\omega+\omega_0)]`
+   :math:`\mathrm{sin}(\omega_0t)`, :math:`\frac{\pi}{j}[\delta(\omega-\omega_0)-\delta(\omega+\omega_0)]`
 
 
 Table of properties