有關cos5x的精選大全

cos^5x的不定積分
∫(cosx)^5dx=sinx-(2/3)(sinx)^3+(1/5)(sinx)^5+C。(C為積分常數)解答過程如下:∫(cosx)^5dx=∫(cosx)^4dsinx=∫[1-(sinx)^2]^2dsinx=∫[1-2(sinx)^2+(sinx)^4]dsinx=sinx-(2/3)(sinx)^3+(1/5)(sinx)^5+C分部積分:(uv)&...
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