The letters x and y represent rectangular coordinates. Write the equation using polar coordinates (r, θ). xy = 1 Answer choices: A) r sin 2θ = 2 B) 2r sin θ cos θ = 1 C) r^2 sin 2θ = 2 D) 2r^2 sin θ cos θ = 1 Could you explain to me how to solve this?
r
r
C
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To express the equation in polar coordinates and , you can use the following steps:
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Convert rectangular coordinates to polar coordinates using the relations:
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Substitute and into the given equation .
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Solve for and in terms of and .
Applying these steps:
Using the trigonometric identity , the equation can be rewritten as:
Therefore, the equation in polar coordinates is , which corresponds to option C).
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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