find an equation of the tangent line to the curve y=6xsinx a

问题描述:

find an equation of the tangent line to the curve y=6xsinx at the point(π/2,3π)求y
1个回答 分类:数学 2014-12-11

问题解答:

我来补答
求导y'=6(sinx+xcosx)
在π/2处y'=6
切线方程y-3π=6(x-π/2)
即y=6x
 
 
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