If `cot ""A/2 =(b+c)/(a),`then `DeltaABC` is

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In `DeltaABC`, if `cot(A/2):cot(B/2):cot(C/2)=3:7:9,` then `a:b:c=`In `DeltaABC`, if `cot(A/2):cot(B/2):cot(C/2)=3:7:9,` then `a:b:c=`
Prove that tan (B+C/2)=cotA/2 exercise 7.2 q.n. 17Prove that tan (B+C/2)=cotA/2 exercise 7.2 q.n. 17
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If tan α + cot α = 2, then tan^20 (α) + cot^20 (α) = #shortsIf tan α + cot α = 2, then tan^20 (α) + cot^20 (α) = #shorts
In any `Delta ABC`, If `cot ""A/2 , cot ""B/2 ,cot ""C/2 ` are in AP, then `a,b,c` are inIn any `Delta ABC`, If `cot ""A/2 , cot ""B/2 ,cot ""C/2 ` are in AP, then `a,b,c` are in
In `DeltaABC`, if a,b,c (taken in that order) are in A.P. then `cot(A/2)cot(C/2)=`In `DeltaABC`, if a,b,c (taken in that order) are in A.P. then `cot(A/2)cot(C/2)=`
In `triangle ABC` if `cot (A/2):cot (B/2): cot (C/2)=3:5:7` then a:b:c?In `triangle ABC` if `cot (A/2):cot (B/2): cot (C/2)=3:5:7` then a:b:c?
In any `Delta ABC` , `cot(A/2),cot(B/2),cot(C/2)` are in `A.P.`, thenIn any `Delta ABC` , `cot(A/2),cot(B/2),cot(C/2)` are in `A.P.`, then