Home
Class 12
MATHS
[" 12."ln Delta ABC,(a-b)^(2)cos^(2)(C)/...

[" 12."ln Delta ABC,(a-b)^(2)cos^(2)(C)/(2)+(a+b)^(2)sin^(2)(C)/(2)],[" is equal to "],[[" a."b^(2)," b."c^(2)],[" c."a^(2)," d."a^(2)+b^(2)+c^(2)]]

Promotional Banner

Similar Questions

Explore conceptually related problems

In Delta ABC ,(a-b)^(2)cos ^(2) (c /2) +(a+b)^(2) sin ^(2)""(c )/(2) =

In Delta ABC, (a-b)^2cos^2""C/2+(a+b)^2sin^2""C/2=

In Delta ABC , prove that (a - b)^(2) cos^(2).(C)/(2) + (a + b)^(2) sin^(2).(C)/(2) = c^(2)

In Delta ABC , prove that (a - b)^(2) cos^(2).(C)/(2) + (a + b)^(2) sin^(2).(C)/(2) = c^(2)

In Delta ABC prove that (a-b)^2 cos^2(C/2) + (a+b)^2 sin^2(C/2) = c^2

In Delta ABC , prove that (b - c)^(2) cos^(2) ((A)/(2)) + (b + c)^(2) sin^(2) ((A)/(2)) = a^(2) .

In Delta ABC , sin"(A)/(2) + cos""((B-C)/(2))=

In any triangle ABC, (a+b)^2 sin^2 ((C )/(2))+(a-b)^2 cos^2 ((C )/(2))= .