Convert the density of surface sea water to metric tons/cubic meter

The correct graph is the second one, with the points being at (-6,0), (2,0) and reaching down to (-2,-8)

Hope this ; )

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.