A Level

MATHEMATICS · Single correct · A Level · Mathematics · Integration · Integration

Problem

∫dxsin⁡x+cos⁡x=\int \frac{dx}{\sin x + \cos x} = (a) log⁡tan⁡(π8+x2)+c\log\tan\left(\frac{\pi}{8} + \frac{x}{2}\right) + c (b) log⁡tan⁡(π8−x2)+c\log\tan\left(\frac{\pi}{8} - \frac{x}{2}\right) + c (c) 12log⁡tan⁡(π8+x2)+c\frac{1}{\sqrt{2}}\log\tan\left(\frac{\pi}{8} + \frac{x}{2}\right) + c (d) None of these

Related theory

Browse the problem library