Question
Download Solution PDFA ஒரு குறுங்கோணம் என்றால், எளிமைப்படுத்தப்பட்ட வடிவம்
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFபயன்படுத்தப்பட்ட கருத்து:
பயன்படுத்தப்படும் சூத்திரம்:
- cos (π - θ) = - cos θ
- cot (90 + θ) = - tan θ
- cos (-θ) = cos θ
- tan (π + θ) = tan θ
- tan (3π/2 + θ) = - cot θ
- sin (2π - θ) = - sin θ
கணக்கீடு:
மேலே உள்ள சூத்திரத்தைப் பயன்படுத்தி
⇒
ஆனால், cos θ / sin θ = cot θ
⇒ - cot A. cos A/ cot A
⇒ cos A
∴ சரியான பதில் cos A.
Last updated on Jul 17, 2025
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