Find the value of X if \(cos x = \frac{5}{8}\) for \(0^o\le X\le 180^o\)...
MATHEMATICS
WAEC 1998
Find the value of X if \(cos x = \frac{5}{8}\) for \(0^o\le X\le 180^o\)
- A. 141.3o
- B. 128.7o
- C. 51.3o
- D. 48.7o
Correct Answer: C. 51.3o
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