#### Question

In Δ ABC, if a = 13, b = 14 and c = 15, then sin (A/2)= _______.

(A) `1/5`

(B) `sqrt(1/5)`

(C) `4/5`

(D) `2/5`

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Solution for question: In Δ ABC, if a = 13, b = 14 and c = 15, then sin (A/2) concept: Trigonometric Functions - Solution of a Triangle. For the courses HSC Arts, HSC Science (Computer Science), HSC Science (Electronics), HSC Science (General)