Question
Download Solution PDF2 tan2 45° + cos2 30° - sin2 60° యొక్క విలువ ఎంత?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFఇచ్చిన దత్తాంశం:
మనం 2 tan2 45° + cos2 30° - sin2 60° ని మూల్యాంకనం చేయాలి
ఉపయోగించిన సూత్రం:
tan45° = 1
Cos30° = √3/2
Sin60° = √3/2
సాధన:
2 tan2 45° + cos2 30° - sin2 60°
⇒ 2 × 12 + (√3/2)2 – (√3/2)2
⇒ 2 + 3/4 – 3/4
⇒ 2
∴ 2 tan2 45° + cos2 30° - sin2 60° విలువ 2.
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