The Student Room Group

FP2/3 Integration maths help!

Scroll to see replies

Original post by Zacken
Surely you mean cos2θ=2cos2θ1\cos 2\theta = 2\cos^2 \theta - 1?


That would be correct. I didn't the question:chaplin:
Original post by RockConcert
Ah thank you so much, that identity (sin2x) was the key! Man I'm not going to forget that identity again..


psstt top of page 11 in the formula book may be helpful :ninja:
Original post by DylanJ42
psstt top of page 11 in the formula book may be helpful :ninja:



Different exam board maybe? My page 11 is all about curvature, arc length..etc :smile:
Original post by RockConcert
Different exam board maybe? My page 11 is all about curvature, arc length..etc :smile:


edexcel?

Quick Reply

Latest