find an equation of the tangent line to the curve y=6xsinx at the_数学解答

find an equation of the tangent line to the curve y=6xsinx at the point(π/2,3π)求y

人气：449 ℃　时间：2020-05-02 15:09:56

解答

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