IB Math HL Trigonometry Test 1 2012 P2 Q1

IB Math HL Trigonometry Test 1 2012 P2 Q1

IB Year 6 | Grade 12
10 marks

Consider the following diagram.

  1. Find \(BD\).[4]
  2. Find the area of quadrilateral \(ABDC\).[3]
  3. Let \(C'\) be a point on \(BC\), between \(B\) and \(C\), such that \(\sin\angle DCB=\sin\angle DC'B\). Find the distance between \(C\) and \(C'\).[3]

Solution:

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Answer:(a) \(BD=5.96\). (b) \(24.5\) square units. (c) \(CC'=2.17\) (all 3 s.f.).

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