Question
Download Solution PDF\(\rm \sqrt{\frac{1+\sin \theta}{1-\sin \theta}}\) काय समान असेल?
This question was previously asked in
Bihar STET TGT (Maths) Official Paper-I (Held On: 04 Sept, 2023 Shift 2)
Answer (Detailed Solution Below)
Option 1 : sec θ + tan θ
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Bihar STET Paper 1 Social Science Full Test 1
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Detailed Solution
Download Solution PDFगणना:
\(\rm √{\frac{1+\sin θ}{1-\sin θ}}\) = \(\rm √{\frac{(1+\sin θ)(1+\sin θ)}{(1-\sin θ) (1+\sin θ)}}\)
⇒ \(\rm √{\frac{(1+\sin θ)^2}{(1-\sin^2 θ) }}\) = √ (1 + sin 2 θ + 2sinθ/ cos 2 θ) = sec 2 θ + tan 2 θ + 2tanθsecθ = √((secθ + tanθ) 2 ) = secθ + tanθ
म्हणून, योग्य उत्तर secθ + tanθ आहे.
Last updated on Jul 3, 2025
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