In a triangle ABC PROVE THAT Sin (B-C / 2 ) =b-c/a cos A/2
Dear Student,
Refer the first solution of the following link:
https://www.meritnation.com/ask-answer/question/prove-using-sine-rule-1-sin-b-c-2-b-c-a-cos-a/trigonometric-functions/2518187
Hope this would have clear your doubt. Do let us know in case of any further concerns.
Refer the first solution of the following link:
https://www.meritnation.com/ask-answer/question/prove-using-sine-rule-1-sin-b-c-2-b-c-a-cos-a/trigonometric-functions/2518187
Hope this would have clear your doubt. Do let us know in case of any further concerns.