Question 33

Find, in surd form, the value of \(\cos 165\).

  • A.\(\frac{1}{4}(\sqrt{6} + \sqrt{2})\)
  • B.\(\frac{1}{4}(\sqrt{6} - \sqrt{2})\)
  • C.\(-\frac{1}{4}(\sqrt{6} - \sqrt{2})\)
  • D.\(-\frac{1}{4}(\sqrt{6} + \sqrt{2})\)
Objective

Question details

Exam body
WAEC
Subject
Further Mathematics
Year
2006
Question no.
#33
Type
Objective

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