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Q: sin²θ + cos²θ – (sec²θ – tan²θ) + tanθcosθ – sinθ का मान ज्ञात कीजिए।
  • A. sec²θ
  • B. 4sinθcossθ
  • C. –1
  • D.
Correct Answer: Option D -
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Explanations:

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