∫tan4xdx
【正确答案】:∫tan4xdx=∫tan2x(sec2x-1)dx =∫tan2xsec2xdx-tan2xdx =∫tan2xdtanx-∫(sec2x-1)dx =1/3tan3x-∫sec2xdx+∫dx =1/3tan3x-tanx+x+C.
∫tan4xdx
- 2024-08-23 15:25:06
- 高等数学(工专)(00022)