In a `Delta` ABC show that `(a+b+c)(tan(A/2)+tan(B/2))=2 c cot(C/2)`
63 views · Published 12 October 2018 · 11:58 · Indexed 1 October 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW In a `Delta` ABC show that `(a+b+c)(tan(A/2)+tan(B/2))=2 c cot(C/2)`
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