Solve 46 - 2x = 8
a. -19
b. 19
c. 27
d. -27

69 i think because is the only one square

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.