al definir las array las termina con
, }
segun http://arduino.cc/es/Reference/Array
deberia acabar con el ultimo elemento de la lista
int myArray[10]={9,3,2,4,3,2,7,8,9,11};
float sinC[3][SINC_LENGTH] = {
{//sinus
0.59754515,0.69134176,0.7777851,0.8535534,0.9157348,0.96193975,0.9903926,1.0,0.9903927,0.9619398,0.9157348,0.8535534,0.77778506,0.69134164,0.597545,0.49999985,0.40245464,0.30865806,0.22221464,0.14644638,0.08426499,0.03806007,0.009607285,0.0,0.009607464,0.038060457,0.08426553,0.14644706,0.22221544,0.30865896,0.4024556,0.5000008 }
,
{//saw
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }
,
{//tri
0.03125,0.0625,0.09375,0.125,0.15625,0.1875,0.21875,0.25,0.28125,0.3125,0.34375,0.375,0.40625,0.4375,0.46875,0.5,0.53125,0.5625,0.59375,0.625,0.65625,0.6875,0.71875,0.75,0.78125,0.8125,0.84375,0.875,0.90625,0.9375,0.96875,1.0 }
};
prueba a ver si el numero de errores se reduce o igual hay algo que yo no se.