Answer:
D. -√3/2
Step-by-step explanation:
Remember your unit circle.
Alternatively, you can plug in cos(7π/6) into your calc (Put it in rad mode) and calculate your answer.
If the volume is 108, and the height is 3 meters, you would divide 108 by 3 , which is 36.
Answer:
30.9717685346
Step-by-step explanation: