三角积分∫dx/sin^nx和∫dx/cos^nx的积分公式

Inteqral for mulas of triangle integration ∫dx/sin^nx and ∫dx/cos^nx

利用分部积分公式 ,结合递推公式 ,得到了三角积分∫ dxsinnx和∫ dxcosnx的积分公式 ,该结果是有一定的理论价值和应用价值 .

By means of separately partial integration formula and recurrence formula, we get the integration formulas of triangle integration ∫dxsin nx and ∫dxcos nx, which is of certain value in theory and application.