If the sin 30° is one half, then the cos ° = . 60°; one half
30°; square root 2 over 2
60°; square root 3 over 2
30°; 1

You have $600,000 saved for retirement. your account earns 5.5% interest. how much, to the nearest dollar, will you be able to pull out each month, if you want to be able to take withdrawals for 20 years?

How do you find the circumfrance of a circle?

What unit of been sure would be appropriate for the volume of a sphere with a radius of 2 meters