∫ tan⁶xsec⁴x dx
= ∫ tan⁶xsec²x * (sec²x dx)
= ∫ tan⁶x(1 + tan²x) d(tanx)
= ∫ (tan⁶x + tan⁸x) d(tanx)
= (1/7)tan⁷x + (1/9)tan⁹x + C
求定积分:tanx 的六次方 乘 secx的四次方 乘dx,怎么求?
求定积分:tanx 的六次方 乘 secx的四次方 乘dx,怎么求?
数学人气：234 ℃时间：2020-05-19 17:53:23
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