Question
Download Solution PDF\(\rm \frac{\sin^4 \theta+\cos ^4\theta}{1-2\sin^2\theta.\cos^2\theta}=\) ________.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFवापरलेले सूत्र:
sin4 θ + cos4 θ = 1 - 2 sin2 θ × cos2 θ
गणना:
(sin4 θ + cos4 θ)/(1 - 2 sin2 θ × cos2 θ)
⇒ (1 - 2 sin2 θ × cos2 θ)/(1 - 2 sin2 θ × cos2 θ)
⇒ 1
∴ योग्य उत्तर 1 आहे.
Last updated on Jun 13, 2025
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