Use mathematical table to evaluate (cos40° - sin30°)
MATHEMATICS
WAEC 1990
Use mathematical table to evaluate (cos40° - sin30°)
- A. -0.2660
- B. -0.0266
- C. 0.0266
- D. 0.2660
Correct Answer: D. 0.2660
Explanation
(cos 40
Post an Explanation Or Report an Error
If you see any wrong question or answer, please leave a comment below and we'll take a look. If you doubt why the selected answer is correct or need additional more details? Please drop a comment or Contact us directly. Your email address will not be published. Required fields are marked *