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MHT CET · Maths · Trigonometric Ratios & Identities

The value of \(\tan 20^{\circ} \tan 80^{\circ} \cot 50^{\circ}=\)

  1. A \(\sqrt{3}\)
  2. B \(\frac{1}{\sqrt{3}}\)
  3. C \(\frac{1}{2 \sqrt{3}}\)
  4. D \(2 \sqrt{3}\)
Verified Solution

Answer & Solution

Correct Answer

(A) \(\sqrt{3}\)

Step-by-step Solution

Detailed explanation

\( \tan 20^{\circ} \tan 80^{\circ} \cot 50^{\circ} = \tan 20^{\circ} \tan 80^{\circ} \tan (90^{\circ}-50^{\circ}) \) \( = \tan 20^{\circ} \tan 40^{\circ} \tan 80^{\circ} \)