Home
Class 12
MATHS
" 9."a sin((A)/(2)+B)=(b+c)sin(A)/(2)...

" 9."a sin((A)/(2)+B)=(b+c)sin(A)/(2)

Promotional Banner

Similar Questions

Explore conceptually related problems

If A+B+C= pi and (sin 2 A + sin 2B + sin 2 C)/(sin A + sin B + sin C ) = lamda sin ((A)/(2)) sin ((B)/(2)) sin ((C )/(2)) , then the value of lamda must be

(sin2A + sin2B + sin2C) / (sin A + sin B + sin C) = 8sin ((A) / (2)) sin ((B) / (2)) sin ((C) / (2))

sin A + sin B-sin C = 4sin ((A) / (2)) sin ((B) / (2)) cos ((C) / (2))

sin ^ (2) ((A) / (2)) + sin ^ (2) ((B) / (2)) + sin ^ (2) ((C) / (2)) = 1-sin (( A) / (2)) sin ((B) / (2)) sin ((C) / (2))

If A+B+C=pi , prove that: "sin" A+"sin" B-"sin" C=4 "sin"(A)/(2)"sin"(B)/(2)"cos"(C)/(2) .

If A, B, C are angles in a triangle , prove that sin A+ sin B -sin C =4sin. (A)/(2)sin. (B)/(2) cos. (C)/(2)

If A+B+C=pi, then prove that sin(B+2C)+sin(C+2A)+sin(A+2B)=4sin((B-C)/(2))sin((C-A)/(2))sin((A-B)/(2))