IB Math HL Trigonometry Test 3 2014 P1 Q2

IB Math HL Trigonometry Test 3 2014 P1 Q2

IB Year 6 | Grade 12
6 marks
  1. Show that \(\frac{1-\cos2x+\sin2x}{1+\cos2x+\sin2x}=\tan x\).[4]
  2. Hence find the exact value of \(\cot\frac{\pi}{12}\).[2]

Solution:

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Answer:(b) \(2+\sqrt3\).

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