Question

will give medal. Find an equation of the line tangent to the graph of y = x2 sin(x) at x = 4. please help

Answer 1

did you find the derivative?

Answer 2

yes, it is 2x(sinx) + x^2(cosx)

Answer 3

please help, i really dont know how to get the answer. this is my last resort

Answer 4

@satellite73 ???

Answer 5

symbols again :/

Answer 6

f(x)= 2sinx+x^2cosx
f(x)=2(sinx+xcosx)+2xcosx+x^2(-sinx)
f(x)=2sinx+4xcosx-x^2sinx

Answer 7

understand?, use the trig identity formulas

Answer 8

just msg me if you need more clarification