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  4. tan ( 2 sin-1 ( (5/13) )) =

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Q. $\tan ( 2 \sin^{-1} ( \frac{5}{13} )) = $

Inverse Trigonometric Functions

Solution:

$2 \sin^{-1} \frac{5}{13} = \sin^{-1} \frac{120}{169} =\tan^{-1} \frac{120}{119}$