If {S} is the sum of the first 10 terms of the series \tan ^{-1}(\frac{1}{3} )+\tan ^{-1}(\frac{1}{7} )+\tan ^{-1}(\frac{1}{13} ) +\tan ^{-1}(\frac{1}{21} )+...... then \tan ( {S}) is equal to : [5 Sep 2020 Shift 1]

Inverse Trigonometric Functions

Section: Mathematics

Question : 75 of 95

Marks: +1, -0

If S is the sum of the first 10 terms of the series
tan−1(

)+tan−1(

) +tan−1(

)+...... then tan(S) is equal to :

[5 Sep 2020 Shift 1]

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