Find the derivative of sinx, use that to find the derivative of xsinx

the derivative of sinx is cosx, then we know that we can apply the product rule to find derivative of xsinx, such that if we let u=x and v=sinx and apply the formula d/dx(xsinx)=udv/dx+vdu/dx. to obtain xcosx+sinx.

NB
Answered by Niren B. Maths tutor

4170 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

y = 4(x^3) + 7x ... Find dy/dx


Find the equation of the straight line tangent to the curve y=2x^3+3x^2-4x+7, at the point x=-2.


A curve has the equation y = (1/3)x^3 + 4x^2 + 12x +3. Find the coordinates of each turning point and determine their nature.


How do I find the maximum/minimum of a function?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning