JAMB Mathematics 2019 Objective — Question 19
Question 19 of 40 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2019 Objective paper, with the correct answer and a full explanation.
Advertisement
What is the value of (tan60°−tan30°)/(tan60°+tan30°)?
- A. 2/√3
- B. 4/√3
- C. 1/2Correct
- D. 1
Explanation
tan60°=√3, tan30°=1/√3. (√3−1/√3)/(√3+1/√3) = [(3−1)/√3]/[(3+1)/√3] = 2/4 = 1/2.
Advertisement
Sign up free to unlock
- Score tracking
- Practice history
- Saved questions
- Progress dashboard
- Personalized sessions
- Weak-topic breakdown
…and/or go further with premium services and No Ads.