Asked by Mike

Use calculus to find the area inside a single petal of r=6cos2theta
Answered by Helper
92π areal units.

graph{(x^2+y^2)^1.5-12xy=0 [-10, 10, -5, 5]}
Answered by oobleck
a = 2∫[0,π/4] 1/2 (6cos2θ)^2 dθ = 9π/2
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