यदि 𝐭𝐚𝐧𝜽+𝟏/(tan𝜽) =1 तो tan18𝜽+tan15𝜽+tan12𝜽+tan9𝜽+tan6𝜽+tan3𝜽+1= ?

  • 1

    0

  • 2

    342

  • 3

    18

  • 4

    1

Answer:- 4

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