Differentiate (cos θ - sin θ) 2
MATHEMATICS
JAMB 2006
Differentiate (cos θ - sin θ)2
- A. -2 cos 2θ
- B. -2 sin2θ
- C. 1 - 2 cos 2θ
- D. 1 - 2 sin 2θ
Correct Answer: A. -2 cos 2θ
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