Question
Download Solution PDF का मान ज्ञात कीजिए।
का मान ज्ञात कीजिए।
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFगणना:
⇒ θ = 15° रखने पर,
⇒
⇒
⇒
⇒
⇒
⇒ √2 - 1
पुनः, विकल्प 1 में, θ = 15° रखने पर हमें प्राप्त होता है:
sec 3θ - tan 3θ = sec 45° - tan 45°
⇒ √2 - 1
∴ सही उत्तर विकल्प 1 है।
Alternate Method
⇒
⇒
⇒
⇒
⇒
⇒
⇒ sec 3θ - tan 3θ
∴ सही उत्तर विकल्प 1 है।
Last updated on Jul 7, 2025
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