What is the integral of (cos(x))^2?

cos(2x) = 2cos2(x)-1 by the double angle formula.

Rearrange to give cos2(x) = (cos(2x)+1)/2

Integrating this gives sin(2x)/4 + 1/4x + c 

Answered by Max C. Maths tutor

5215 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

Find the integral on ln(x).


Differentiate y=(x-1)^4 with respect to x.


Integrate 1 / x(2sqrt(x)-1) on [1,9] using x = u^2 (u > 0).


Write cosx - 3sinx in the form Rcos(x + a)


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences