In - ABC- if cot A - cot B - cot C - -3- then ABC is an

A = B = C = 60^∘ satisfies the equation cot A + cot B + cot C = √(3) . ∴Δ ABC is equilateral ...

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Trigonometric Ratios of Compound Angles

In Δ ABC, if ...

Question

In $Δ$ ABC, if cot A + cot B + cot C = $\sqrt{3}$ , then ABC is an

Equilateral triangle

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Right angled triangle

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Isosceles

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None

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Δ

\frac{A}{2} = \frac{B + C}{a}

Δ

Δ

=

b^{2} + c^{2} = 3 a^{2},

cot A + cot B + cot C = \sqrt{3}

A B C

Δ

\sqrt{3}

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