The additive inverse property says that the sum of any number and its additive inverse equals this number, while the additive identity property says that any number plus this number equals the original number.
This is the only number that satisfies the equation sine x equals x. The additive inverse property says that the sum of any number and its additive inverse equals this number, while the additive identity property says that any number plus this number equals the original number. For 10 points, name this only non-positive whole number, which yields itself when multiplied by any number.
This is the only number that satisfies the equation sine x equals x.
{zero}