Evaluate: \(\int^{z}_{0}(sin x - cos x) dx \hspace{1mm} Where\hspace{1mm}letter\hspace{1mm}z = \frac{\pi}{4}. (\pi = pi)\)...
MATHEMATICS
JAMB 1999
Evaluate: \(\int^{z}_{0}(sin x - cos x) dx \hspace{1mm}
Where\hspace{1mm}letter\hspace{1mm}z = \frac{\pi}{4}. (\pi = pi)\)
- A. \(\sqrt{2 +1}\)
- B. \(\sqrt{2 }-1\)
- C. \(-\sqrt{2 }-1\)
- D. \(1-\sqrt{2}\)
Correct Answer: B. \(\sqrt{2 }-1\)
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