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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)

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)

Grade:11

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
5 years ago
Dear student

Kindly find the link

https://www.askiitians.com/forums/Trigonometry/23/7408/solution-of-triangles.htm

and repost if the hint might not work for you

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