Question
Download Solution PDFsec2 A + tan2 A =
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFகொடுக்கப்பட்டது:
sec2 A + tan2 A =
பயன்படுத்தப்படும் கருத்து:
sec2 A - tan2 A = 1
a2 - b2 = (a + b)(a - b)
கணக்கீடு:
⇒ sec4 A - tan4 A = (sec2 A + tan2 A )(sec2 A - tan2 A )
⇒ sec4 A - tan4 A = 4/17 × 1
⇒ sec4 A - tan4 A = 4/17
∴ விருப்பம் 3 சரியான பதில்.
Last updated on Jul 22, 2025
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