Question
Download Solution PDF ________.
________.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFঅনুসৃত সূত্র:
sin4 θ + cos4 θ = 1 - 2 sin2 θ × cos2 θ
গণনা:
(sin4 θ + cos4 θ)/(1 - 2 sin2 θ × cos2 θ)
⇒ (1 - 2 sin2 θ × cos2 θ)/(1 - 2 sin2 θ × cos2 θ)
⇒ 1
∴ সঠিক উত্তর 1
Last updated on Jul 14, 2025
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