How to turn negative mixed fraction into decimal

First off, if it's mixed, you'd want to convert it to "improper" first, and then do the division... say hmm - 3 and 1/7



the line over the decimal part is because is a "recurrent decimal", or repeating one.

Hello! i hope this
since the cosine is the ratio of the adjacent side to the hypotenuse, you can see that cos 60° = ½. answer. according to the property of cofunctions (topic 3), sin 30° is equal to cos 60°. sin 30° = ½.