WAEC Mathematics 2012 Objective — Question 24
Question 24 of 50 from the West African Examinations Council (WAEC) Mathematics 2012 Objective paper, with the correct answer and a full explanation.
Advertisement
If cos(x+40)°=0.0872, what is the value of x?
- A. 85°
- B. 75°
- C. 65°
- D. 45°Correct
Explanation
cos⁻¹0.0872 = 85°. So x+40=85, x=45°.
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.