# What is the Cartesian form of #r-5theta = sin^3theta+sectheta #?

To transform an expression in polar form to Cartesian (or rectangular) form, we need the formulas that relate

Step 1. Recall the relationships between polar and Cartesian.

These relationships can be determined from drawing a point in one of two ways, as radius and angle or as

Step 2. Convert each term from polar to Cartesian.

We are given

Plugging

Step 3. Plug these back into the original.

You could spend a lot of time trying to simplify and trying to find a function

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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.

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