If the measure of angle 0 is 2Π/3 which statements are true? =
1)The measure of the reference angle is 45°
2)cos(0)= -1
3)The measure of the reference angle is 30°
4)sin() = -1/2
tan(0)= 3
5)The measure of the reference angle is 60°

Amayoral candidate would like to know her residents’ views on a tax on sugar drinks before the mayoral debates. she asks one thousand registered voters from both parties. these voters are an example of a census population convenience sample simple random sample