If tan(π/9), x, tan(7π/18) are in AP... | Trigonometry | JEE Main

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JEE MAIN 2021 S2

27-07-2021 S2

Question

If $\tan \left(\frac{\pi}{9}\right), x, \tan \left(\frac{7 \pi}{18}\right)$ are in arithmetic progression and $\tan \left(\frac{\pi}{9}\right), y, \tan \left(\frac{5 \pi}{18}\right)$ are also in arithmetic progression, then $|x-2 y|$ is equal to :

Select the correct option:

A

4

B

3

C

$0$

D

1

✓ Correct! Well done.

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