Find the unit vectors that are parallel to the tangent line to the curve y = 8 sin xat the point (π/6,4).(Enter your answer as a comma-separated list of vectors.)
问题描述：
Find the unit vectors that are parallel to the tangent line to the curve y = 8 sin x
at the point (π/6,4).(Enter your answer as a comma-separated list of vectors.)
答
你华大的吧?
答案是（1/7,（4根号3）/7）,(-1/7,-(4根号3)/7),submit已过~