Do the following problems on your own

MATHEMATICS · Subjective · AP · Calculus BC · Parametric, Polar, and Vector-Valued Functions · Parametric, Polar, and Vector-Valued Functions

Problem

Do the following problems on your own. The answers are in Chapter 23, starting on page 582. 4. Find the area inside one loop of the lemniscate r2=4cos⁡2θr^{2}=4 \cos 2 \theta.

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