Home
Class 11
MATHS
In DeltaABC, if b+c=3a, then prove that:...

In `DeltaABC`, if `b+c=3a`, then prove that:
`cotB/2.cotC/2=2`

Promotional Banner

Similar Questions

Explore conceptually related problems

In a Delta ABC , if b + c = 3a, then the value of cotB/2cotC/2, is

In DeltaABC , a,b,c are in A.P., prove that: cotA/2.cotC/2=3

In DeltaABC , prove that: cotA/2+cotB/2+cotC/2=(a+b+c)/(a+b-c)cotC/2

In DeltaABC , prove that: (b+c-a)(cotB/2+cotC/2)=2acotA/2

In a triangle ABC , if b^2 + c^2 = 3a^2 , then cotB + cotC-cotA is equal to

In a triangle ABC , if b^2 + c^2 = 3a^2 , then cotB + cotC-cotA is equal to

In a triangle ABC , if b^2 + c^2 = 3a^2 , then cotB + cotC-cotA is equal to

In DeltaABC , prove that: cotA+cotB+cotC = cotAcotBcotC+"cosec"A"cosec"B"cosec"C

In a triangle A+B+C=90 then prove that cotA+cotB+cotC=cotAcotBcotC