law of sines

(redirected from Sine theorem)

law of sines

[′lȯ əv ′sīnz]
(mathematics)
Given a triangle with angles A, B, and C and sides a, b, c opposite these angles respectively: sin A / a = sin B / b = sin C / c.
References in periodicals archive ?
To determin [delta], the sine theorem is applied in [DELTA]BCD resulting