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3 years ago

Convert the polar equation to rectangular coordinates. (Use variables x and y as needed.)

1 answer:

8 0

The standard conversion toolbox:
x=rcos(θ)
y=rsin(θ)

Here r=7csc(θ)
so
x=7csc(θ)*cos(θ)=7cos(θ)/sin(θ)=7cot(<span>θ)
y=7csc(</span>θ)*sin(θ)=7sin(θ)/sin(<span>θ) = 7
therefore the rectangular coordinates are (7cot(</span><span>θ), 7)</span>

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Answer:

Step-by-step explanation:

hello :

a + b = 9

...(*)

a - b = 6...(**)

add (*) and (**) : 2a =15.....(1)

subsct (**) and (*) : 2b=3 ....(2)

now divid (1) , (2) : 2a/2b = 15/3

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2 years ago

If DE=4x+10, EF =2x-1, and DF=9x-15, find DF

svetoff [14.1K]

Answer:

Step-by-step explanation:

If DE = 4x+10,EF =2X -1, and DF= 9x - 15 find DF

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Drag and drop an answer to each box to correctly complete the explanation for deriving the formula for the volume of a sphere

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