Step-by-step explanation:
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As we know the radius and slant height, we can use Pythagoras' Theorem to find the perpendicular height.
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Now substitute this into the volume formula.
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S I took a test and got it right
Answer:
Pr/ok
Step-by-step explanation:
Imagine the unit circle. The cot(theta) is a line from (0,1) to (-4,1). Imagine it is part of a triangle with the origin (draw it!).
Then the hypotenuse length is √(1+4²) = √17.
The sine rule says that sin(90)/√17 must equal sin(theta)/4, and sin(90)=1, so
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