Iontráil luach taobh amháin agus an dara luach agus brúigh an cnaipe Ríomh :
sin A = os coinne / hypotenuse = a / c
cos A = cóngarach / hypotenuse = b / c
tan A = os coinne / cóngarach = a / b
csc A = hypotenuse / os coinne = c / a
sec A = hypotenuse / cóngarach = c / b
cot A = cóngarach / os coinne = b / a
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