Grade 11Trigonometry
If the bisector of angle A of triangle ABC makes an angle theta with BC then sin theta is equal toA)cos B-C/2B)sin B-C/2C)sin (B-a/2)D)sin(C-A/2)
If the bisector of angle A of triangle ABC makes an angle theta with BC then sin theta is equal to
A)cos B-C/2
B)sin B-C/2
C)sin (B-a/2)
D)sin(C-A/2)
