Question
Download Solution PDFఒకవేళ
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFఇచ్చినది:
Cos2 θ = 3/4
ఉపయోగించిన సూత్రం:
Cos 30° = Sin 60° = √3/2
గణన:
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
∴ సరైన సమాధానం √3/2.
Last updated on Jul 12, 2025
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