Question
Download Solution PDFFind the value of
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFCalculation:
⇒ By putting θ = 15°
⇒
⇒
⇒
⇒
⇒
⇒ √2 - 1
Again, In option 1 By putting θ = 15° we get,
sec 3θ - tan 3θ = sec 45° - tan 45°
⇒ √2 - 1
∴ The correct option is 1
Alternate Method
⇒
⇒
⇒
⇒
⇒
⇒
⇒ sec 3θ - tan 3θ
∴ The correct option is 1
Last updated on Jul 14, 2025
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