Question
Download Solution PDFsec θ + cos θ = 32 எனில் sec2 θ+ cos2 θ இன் மதிப்பு என்ன?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFபயன்படுத்தப்படும் சூத்திரம்
(a + b)2 = a2 + b2 + 2ab
கணக்கீடு
sec θ + cos θ = 32
இருபக்கமும் வர்க்கப்படுத்தினால் :
(sec θ + cos θ)2 = sec2 θ+ cos2 θ + 2 sec θ cos θ
⇒ 1024 - 2 = sec2 θ+ cos2 θ .
⇒ sec2 θ+ cos2 θ = 1022.
எனவே மதிப்பு 1022.
Last updated on Jun 13, 2025
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