Question
Download Solution PDFsin(−405°) এর মান কত?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFঅনুসৃত সূত্র:
Sin (360 + θ) = sin θ
গণনা:
Sin (- 405°) = - sin (405°)
⇒ - sin (360 + 45)
⇒ - sin 45° = - (1/√2)
∴ সঠিক উত্তর হল - (1/√2)
Last updated on Jul 14, 2025
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