The range of cosine is [-1, 1] which is, therefore, the domain of cos-1. As a result, cos-1(2) is not defined.
Chat with our AI personalities
-2 is the additive inverse of +2
Mult. inverse of 2 is 1/2, mult inverse of 14 is 1/14, mult inverse of 214 is 1/214
.5 is 1/2 The inverse of 1/2 is 2
Additive Inverse would be the number that when added to a given number creates a total of zero. The additive inverse for any negative number would be the positive counterpart. The additive inverse of -5 is 5. The additive inverse of -2 is 2, since -2 + 2 = 0.
-5