Write down the exact value of:
a) cos 60°
b) sin 0°
c) tan 45°

What kind of bond pays interest which is exempt from tax?

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.