Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping

∫xcosnxdx

∫xcosnxdx

Grade:

1 Answers

Y RAJYALAKSHMI
45 Points
6 years ago
let u = x ; v = cosnx
du = dx;  ∫v = sinnx/n
This is in the form of ∫uv = u∫v – ∫∫v.du
∫xcosnxdx = xsinnx.n – ∫sinnx/n dx
= xsinnx/n – ( – cosnx/n)/n = xsinnx /n + cosnx / n2

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free