Question
Download Solution PDFIf
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
Concept used:
4cos3θ - 3cosθ = cos3θ
Calculation:
⇒ 8cos3θ - 6cosθ
⇒ 2(4cos3θ - 3cosθ)
⇒ 2cos3θ
∴ The required answer is 2 cos3θ.
Last updated on Jul 14, 2025
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