MYTUTOR SUBJECT ANSWERS

222 views

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 

Max C. A Level Maths tutor, 13 Plus  Maths tutor, 11 Plus Maths tutor...

5 months ago

Answered by Max, an A Level Maths tutor with MyTutor


Still stuck? Get one-to-one help from a personally interviewed subject specialist

269 SUBJECT SPECIALISTS

£20 /hr

Liam R.

Degree: Economics (Bachelors) - Durham University

Subjects offered:Maths

Maths

“I study Economics at Durham. I have a passion for maths and hope to share this with you! To find out more, click on my profile & book a free 15-minute meeting!”

£20 /hr

Oliver V.

Degree: Mathematics (Masters) - Oxford, St John's College University

Subjects offered:Maths, Chemistry+ 4 more

Maths
Chemistry
Biology
.MAT.
-Personal Statements-
-Oxbridge Preparation-

“University of Oxford Mathematics student enthusiastic about improving grades and preparing for entrance exams”

£22 /hr

James T.

Degree: General Engineering (Other) - Durham University

Subjects offered:Maths, Physics

Maths
Physics

“I am a friendly and enthusiastic engineering student at Durham University, with a great passion for maths and physics.”

About the author

£20 /hr

Max C.

Degree: Mathematics (Masters) - Oxford, Keble College University

Subjects offered:Maths

Maths

“Top tutor from the renowned Russell university group, ready to help you improve your grades.”

MyTutor guarantee

You may also like...

Other A Level Maths questions

How do I differentiate something in the form f(x)/g(x)?

A curve has the equation (x+y)^2 = xy^2. Find the gradient of the curve at the point where x=1

Find the solutions to x^3+4x^2+x-5=1

Differentiate f(x) = 2xlnx.

View A Level Maths tutors

We use cookies to improve your site experience. By continuing to use this website, we'll assume that you're OK with this. Dismiss

mtw:mercury1:status:ok