Home
Class 12
MATHS
In DeltaABC, prove that: a) (sin2A + si...

In `DeltaABC`, prove that: a) `(sin2A + sin2B + sin2C)/(sinA+sinB+sinC) = 8sin(A/2) sin(B/2)sin(C/2)`

Promotional Banner

Similar Questions

Explore conceptually related problems

Prove that sin2A + sin2B + sin2C = 4sinA · sinB · sin C

In DeltaABC ,prove that: a) sin2A + sin2B-sin2C=4cosA cosB sinC

If A+B+C=pi , prove that : sin2A+sin2B+sin2C=4sinA sinB sinC

In DeltaABC ,prove that: sin2A + sin2B-sin2C=4cosA cosB sinC

In DeltaABC , prove that: a^(2)sin2B+b^(2)sin2A =2 ab sinC

(sin2A+sin2B+sin2C)/(sinA+sinB +sinC) is equal to

In DeltaABC , prove that: sin2A+sin2B+sin2C=4sinAsinBsinC

Prove that : (sin 2A+sin 2B + sin 2C)/(cos A + cos B + cos C-1) = 8 cos(A/2) cos( B/2) cos( C/2)

In DeltaABC, prove that: a) sin(A/2)+sin(B/2) +sin(C/2)= 1+4sin((pi-A)/4)sin((pi-B)/4).sin((pi-C)/4)

In any DeltaABC , prove that (sinA)/(sin(A+B))=a/c