In - ABC- if A - B - C -3- then ABC is anA- Eequilateral triangleB- Right angled triangleC- IsoscelesD- None

The correct option is A Eequilateral triangleA = 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 ...

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

Eequilateral triangle

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Right angled triangle

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Isosceles

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None

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