Answer:
u have to use derieved form of formula of sin and cos
May I please have some help
1 answer:
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Answer:
We are to find the error made by Sadie and then find the correct simplification.
The error Sadie made is that she wrote as
instead of
.
The square root of is
and so she could have further simplified.
The correct simplification is shown below:
Answer:
Answer Cone Z and Cylinder Y.
Step-by-step explanation:
The relationship between the volume of the cone and the volume of the cylinder with the same height and same base is the volume of the cone is 1/3 of the volume of the cylinder.
The formula for the volume of the cone is :
V = 1/3πh
The formula for the volume of the cylinder is :
V = πh
Let be the height of the cylinder Y. Therefore the height of the cone Z is 3h, when we put it into the formula we get :
V = 1/3π (3h) = π
h
Therefore Cone Z and Cylinder Y have same volume.