Question
Download Solution PDFtan 15° + cot 15° चे मूल्य शोधा
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFगणना:
cot15° + tan15°
⇒ (cos15°/sin15°) + (sin15°/cos15°)
⇒ (cos 2 15° + sin 2 15°)/(sin 15° cos 15°) ( पाप 2 θ + cos 2 θ = 1)
⇒ 1/(sin15° cos15°)
समीकरण 2 ने गुणा आणि भागा
⇒ 2/(2 sin15° cos15°) (2 sinθ cosθ = sin2θ)
⇒ 2/sin30° (sin30° = 1/2)
⇒ (2/1/2) = 2 x 2
⇒ ४
∴ योग्य निवड पर्याय 1 आहे.
Last updated on Jul 17, 2025
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