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\begin{document}
\centerline{\bf Angular Integrals}
\begin{eqnarray}
\int d^4 k{{\Gamma(k)} \over{k^2(p-k)^2}} &=& \pi^2 \int_0^{p^2}dk^2
{{\Gamma(k)}\over {p^2}} +\pi^2 \int_{p^2}^{\Lambda^2}dk^2
{{\Gamma(k)}\over {k^2}}\nonumber\\
\int d^4 k{{\Gamma(k) p.k} \over{k^4(p-k)^2}} &=& {{\pi^2}\over {2}}
 \int_0^{p^2}dk^2
{{\Gamma(k)}\over {p^2}} +{{\pi^2}\over {2}} 
\int_{p^2}^{\Lambda^2}dk^2
{{\Gamma(k)p^2}\over {k^4}}\nonumber\\
\int d^4 k{{\Gamma(k) (p.k)^2} \over{k^4(p-k)^2}} &=& {\pi^2\over 4}
 \int_0^{p^2}dk^2
{{\Gamma(k)(k^2+p^2)}\over p^2} +
{\pi^2\over 4} \int_{p^2}^{\Lambda^2}dk^2
{{\Gamma(k)p^2(p^2+k^2)}\over k^4}\nonumber\\
\int d^4 k{{\Gamma(k)} \over{k^2(p-k)^4}} &=& \pi^2 \int_0^{p^2}dk^2
{\Gamma(k)\over {p^2(p^2-k^2)}} +\pi^2 \int_{p^2}^{\Lambda^2}dk^2
{\Gamma(k)\over{ k^2(k^2-p^2)}}\nonumber\\
\int d^4 k{{\Gamma(k) p.k} \over{k^2(p-k)^4}} &=& \pi^2
 \int_0^{p^2}dk^2
{{\Gamma(k)k^2}\over {p^2(p^2-k^2)}} +\pi^2 \int_{p^2}^{\Lambda^2}dk^2
{{\Gamma(k)p^2}\over {k^2(k^2-p^2)}}\nonumber\\
\int d^4k{{\Gamma(k) (p.k)^2} \over{k^4(p-k)^4}}&=&{\pi^2\over 4}
 \int_0^{p^2}dk^2
{{\Gamma(k)(3k^2+p^2)}\over{ p^2(p^2-k^2)}} +
{\pi^2\over 4} \int_{p^2}^{\Lambda^2}dk^2
{{\Gamma(k)p^2(k^2+3p^2)}\over {k^4(k^2-p^2)}}\nonumber\\
\int d^4k{{\Gamma(k) (p.k)^3} \over{k^4(p-k)^4}}&=&{\pi^2\over 2}
 \int_0^{p^2}dk^2
{{\Gamma(k)k^2(k^2+p^2)}\over{ p^2(p^2-k^2)}} +
{\pi^2\over 2} \int_{p^2}^{\Lambda^2}dk^2
{{\Gamma(k)p^4(p^2+k^2)}\over {k^4(k^2-p^2)}}\nonumber
\end{eqnarray}
\end{document}