Question
Download Solution PDFsec2A + tan2A = 3 எனில், cot A இன் மதிப்பு என்ன?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFகொடுக்கப்பட்டது:
sec2A + tan2A = 3
பயன்படுத்தப்படும் கருத்து:
sec2 α - tan2 α = 1
கணக்கீடு:
sec2A + tan2A = 3 ....(1)
sec2A - tan2A = 1 ....(2)
(1) மற்றும் (2) ஐ தீர்க்கும்போது நமக்கு கிடைப்பது,
sec2A + tan2A - sec2A + tan2A = 3 - 1 = 2
2tan2 A = 2
tan2 A = 1
அதனால், tan A = √1 = 1
இப்போது, cot A = 1/1 = 1
∴ cot A இன் மதிப்பு 1.
Last updated on Jun 13, 2025
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