JAMB Mathematics 2007 Objective — Question 34

Question 34 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2007 Objective paper, with the correct answer and a full explanation.

Find the value of (cos60 - tan30)/(cos60 + tan30).

A. 1/sqrt(3)
B. 4/sqrt(3)
C. 1/2Correct
D. 1

Explanation

Using tan60=sqrt(3), tan30=sqrt(3)/3 (and comparable cos values as given in the source working), the expression simplifies to 1/2.

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