利用Wallis公式,Euler公式,分部积分公式及递推公式法得到了两类积分的递推公式,并由此求出了In(m)的递推公式,最后给出了In(1)-In(8)的具体求法.
Using Wallis formula, Euler formula, formula of integration by parts and recursive methods to calculate the Fejer integral In (m) , recursive formula is obtained, especially the results of In (1) -In(8) are given.