In `DeltaABC`, if a,b,c (taken in that order) are in A.P. then `cot(A/2)cot(C/2)=`
129 views · Published 12 October 2018 · 1:54 · Indexed 30 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW In `DeltaABC`, if a,b,c (taken in that order) are in A.P. then `cot(A/2)cot(C/2)=`
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