Question

Find the value of
$\tan \frac{\pi}{8}$
​

Answer 1

Use Tan Rule. Put X = Pi/8, Tan (Pi/4) = 1 = 2 tan (pi/8) / [1- tan ^2 (pi/8)].

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Answer 2

$\tt\huge\pink{Given\:Equation:-}$

$\frac{\pi}{8}$

And in fraction, We know that pi = 22/7

So,

$\frac{ \frac{22}{7} }{8} \\ = \frac{22}{7} \times 8 \\ = \frac{176}{7}$