OCR C4 2011 January — Question 3

Exam BoardOCR
ModuleC4 (Core Mathematics 4)
Year2011
SessionJanuary
TopicReciprocal Trig & Identities
3
  1. Show that the derivative of \(\sec x\) can be written as \(\sec x \tan x\).
  2. Find \(\int \frac { \tan x } { \sqrt { 1 + \cos 2 x } } \mathrm {~d} x\).
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