Question
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Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFপ্রদত্ত:
অনুসৃত সূত্র:
(A2 - B2) = (A + B) × (A - B)
Cosec2 θ - cot2 θ = 1
গণনা:
⇒ (cosec θ + cot θ) × (cosec θ - cot θ)
⇒ Cosec2 θ - cot2 θ
⇒ 1
∴ সঠিক উত্তর হল 1
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