Question
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Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिलेले आहे:
Cos2 θ = 3/4
वापरलेले सूत्र:
Cos 30° = Sin 60° = √3/2
गणना:
Cos2 θ = 3/4
⇒ cos θ = √(3/4) = √3/2
⇒ cos θ = cos 30°
⇒ θ = 30°
sin (θ + 30°) = sin (30° + 30°)
⇒ sin 60° = √3/2
∴ √3/2 हे योग्य उत्तर आहे.
Last updated on Jul 22, 2025
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