In a triangle ABC, a, b, c are the lengths of its sides and A,B,C are the angles of triangle ABC. The correct relation is given by.
(A) (b−c)(B−C2)=a cosA2
(B) (b−c)cosA2=a sin(B−C2)
(C) (b−c)sin (B−C2)=a cosA2
(D) (b−c)sin A2=2 a sin(B+C2)
In a triangle ABC, a, b, c are the lengths of its sides and A,B,C are the angles of triangle ABC. The correct relation is given by.
(A) (b−c)(B−C2)=a cosA2
(B) (b−c)cosA2=a sin(B−C2)
(C) (b−c)sin (B−C2)=a cosA2
(D) (b−c)sin A2=2 a sin(B+C2)
Harshit Singh , 3 Years ago
Grade 12th pass
