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In triangle ABC, (i) asin(A/2 + B) = (...

In triangle ABC,
(i) `asin(A/2 + B) = (b+c) sin A/2`

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Knowledge Check

  • In a triangle ABC, (sin A+ sin B+ sin C) (sin A+sin B-sinC)= 3 sin A sin B, then which one of the following is correct ?

    A
    `B=(pi)/(2)`
    B
    `C=(pi)/(3)`
    C
    `C=(pi)/(9)`
    D
    none of these

  • If in a triangle ABC, b sin B = c sin C, then the triangle is-

    A
    right angle
    B
    isosceles
    C
    scalene
    D
    equilateral

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