Home
Class 12
MATHS
If R denotes circumradius, then in Delta...

If R denotes circumradius, then in `DeltaABC,(b^2-c^2)/(2aR)` is equal to

Text Solution

Verified by Experts

The correct Answer is:
`(sin (B-C))`
Promotional Banner

Similar Questions

Explore conceptually related problems

In DeltaABC, a^2+c^2=2002b^2 then (cotA+cotC)/(cotB) is equal to

In a DeltaABC , if 2AC=3CB, then 2OA+3OB is equal to

If l, m, n denote the side of a pedal triangle, then (l)/(a ^(2))+(m)/(b^(2))+(n)/(c ^(2)) is equal to

p=2a-3b,q=a-2b+c and r=-3a+b+2c , where a,b,c being non-coplanar vectors, then the vector -2a+3b-c is equal to

Consider a DeltaABC and let a, b and c denote the lengths of the sides opposite to vertices A, B and C, repectively. if a=1,b=3 and C=60^(@), then sin ^(2) B is equal to

If the roots of the equation (b-c)x^2+(c-a)x+(a-b)=0 are equal then a,b,c will be in

Find the circumcentre and circumradius of the triangle whose vertices are (-2, 3), (2, -1) and (4, 0).

Show that the sum of an AP whose first term is a, the second term is b and the last term is c is equal to ((a+c)(b+c-2a))/(2(b-a)) .

In the DeltaABC,AB=a,AC=c and BC=b , then

If r and R are radii of the incircle and circum-circle of DeltaABC, then prove that : 8rR{cos ^(2) A//2 +cos ^(2) B//2 +cos ^(2) C//2} =2bc+2ca+2ab-a^(2) -b^(2) -c^(2).