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Differentiate \((\cos \theta+\sin \theta)^{2}\) with respect to \(\theta\)

Differentiate \((\cos \theta+\sin \theta)^{2}\) with respect to \(\theta\)
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A \(2 \cos 2 \theta\)
  • B \(2 \sin 2 \theta\)
  • C \(-2 \cos 2 \theta\)
  • D \(-2 \sin 2 \theta\)
Correct Answer: Option A
Explanation:

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