The numerical value of is

MATHEMATICS · Single correct · CBSE · Mathematics · Inverse Trigonometric Functions · Inverse Trigonometric Functions

Problem

The numerical value of tan⁡(2tan⁡−115−π4)\tan\left(2\tan^{-1}\frac{1}{5} - \frac{\pi}{4}\right) is (a) −717\frac{-7}{17} (b) 717\frac{7}{17} (c) 177\frac{17}{7} (d) −23-\frac{2}{3}

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