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প্রমান কর যেকোন ত্রিভুজ ABC এর জন্য (AB+BC)/AC=cot(B/2)

প্রমান কর যেকোন ত্রিভুজ ABC এর জন্য (AB+BC)/AC=cot(B/2)

Grade:10

1 Answers

Rajat
213 Points
5 years ago
This question is incorrect since if we assume ABC to be an equilateral triangle the LHS comes out to be 2 and RHS becomes cot(30) = √3.
And as far as I know 2≠√3

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