$\"\"$

The curve equation is $\"\"$ .

Construct a table for different values of $\"\"$ .

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$\"\"$

Graph:

(1) Graph the polar co-ordinates.

(2) Plot the points.

(3) Connect the points with a smooth curve.

Graph the curve is $\"\"$ is :

$\"\"$

Observe the graph:

The boundaries of the curve are $\"\"$ and $\"\"$ .

$\"\"$

Area of the region enclosed by the curve is $\"\"$ .

The boundaries of the curve are $\"\"$ and $\"\"$ .

Area of the region enclosed by the curve $\"\"$ :

$\"\"$

Area of the region enclosed by the curve $\"\"$ is $\"\"$ .

$\"\"$

Graph of the curve is $\"\"$ is :

$\"\"$

Area of the region enclosed by the curve $\"\"$ is $\"\"$ .