cotA = cotB = cotC = √3 prove that ABC is an equilateral triangle
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cot =b÷p
so with the formula all sides are same to each other .so it become equilateral triangle .which result in all angle 60
tan 60=√3
so with the formula all sides are same to each other .so it become equilateral triangle .which result in all angle 60
tan 60=√3
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