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frosja888 [35]
3 years ago
13

Show that cos^2 330degrees=1

Mathematics
1 answer:
Sholpan [36]3 years ago
4 0
Actually it's not 1 

330 in 4th quadratic is just 30 in 1st and cos is +ve

so you have

sqrt(3)/2 ^2 = 3/4 = 0.75 
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Answer:

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Step-by-step explanation:

We have been given that a silo is in the shape of a cone. The silo is 8 meters tall and it's base has a diameter of 3 meters. Soybeans cost $414 per cubic meter. We are asked to find the total cost to fill the silo with soybeans.

First of all, we will find the volume of silo using volume of cone formula.

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\text{Volume of cone}=\pi\times 0.75\text{ m}^2 (8)\text{ m}

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