Question
Download Solution PDFtan A = 10/15 எனில் cos2 A இன்மதிப்பு என்ன?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFகொடுக்கப்பட்டது:
tan A = 10/15
கணக்கீடு:
tan A = செங்குத்து உயரம்/அடிப்பக்கம்
பித்தகோரஸ் தேற்றத்தைப் பயன்படுத்தினால்
கர்ணம்2= செங்குத்து உயரம்2+ அடிப்பக்கம்2
கர்ணம்2= 102 + 152
கர்ணம்= √325
cos A = அடிப்பக்கம்/கர்ணம்
cos A = 15/√325
cos2 A = 225/325
∴ விருப்பம் 3 சரியான பதில்.
Last updated on Jun 13, 2025
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