Find: ∫1cos2(3x+1) dx\displaystyle \int \frac{1}{\cos^2(3x+1)} \, dx∫cos2(3x+1)1dx
Find: ∫(secx+tanx)2 dx\int (\sec x + \tan x)^2 \, dx∫(secx+tanx)2dx
Practise Edexcel A Level Maths 11.3 Using Trigonometric Identities with exam-style questions for A Level Maths. 32 questions, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.