A-Level Maths Edexcel 9MA0

Auth manager not initialized

#1 Integrate using trigonometric identities

Use sin⁡2x=1−cos⁡2x2\sin^2 x = \frac{1-\cos2x}{2}, cos⁡2x=1+cos⁡2x2\cos^2 x = \frac{1+\cos2x}{2}, or substitution.