Question 71

What is the value of tan $$(-\frac{5\pi}{6})$$

Solution

Expression : tan $$(-\frac{5\pi}{6})$$

= $$- tan(\frac{5 \pi}{6})$$

= $$-tan (\pi - \frac{\pi}{6}) = -(-tan \frac{\pi}{6})$$

= $$tan(\frac{\pi}{6}) = \frac{1}{\sqrt{3}}$$

=> Ans - (B)

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