Evaluate : `cos(2cos^(-1)x+sin^(-1)x)a tx=1/5`

Explanation

To evaluate the expression \( \cos(2 \cos^{-1} x + \sin^{-1} x) \) given that \( x = \frac{1}{5} \), we can follow these steps:

### Step 1: Substitute the value of \( x \)
We start by substituting \( x = \frac{1}{5} \) into the expression.

\[ \cos(2 \cos^{-1} \left(\frac{1}{5}\right) + \sin^{-1} \left(\frac{1}{5}\right)) \]
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