ΔABC is a right - angle triangle at B. If tan A = \({{5} \over 12}\), then sin A + sin B + sin C will be equal to:

1
\(1{{5} \over 13}\)
2
\(2{{4} \over 13}\)
3
\(3{{1} \over 13}\)
4
\(2{{1} \over 13}\)

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