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Precalculus Examples

Popular Problems

Identify the Polar Equation r^2=9sin(2theta)

$r^{2} = 9 \sin (2 θ)$

Step 1

This is an equation of a lemniscate.

Lemniscate

Step 2

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$

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