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Question 21

Evaluate \(\cos 75°\), leaving the answer in surd form.

  • A.\(\frac{\sqrt{2}}{2}(\sqrt{3} + 1)\)
  • B.\(\frac{\sqrt{2}}{4}(\sqrt{3} - 1)\)
  • C.\(\frac{\sqrt{2}}{4}(\sqrt{3} + 1)\)
  • D.\(\frac{\sqrt{2}}{2}(\sqrt{3} - 1)\)
Objective

Question details

Exam body
WAEC
Subject
Further Mathematics
Year
2016
Question no.
#21
Type
Objective
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