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find the area of the cardioid r = a(1 - cosθ )


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area of the cardioid r = a(1 - cosθ ) polar form
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area in polar form
draw a rough figure
note the symmetry
we will calculate the area above the initial line and double it
limits are 0 to pi
use the formula  integral of (1/2) r² dθ with suitable limits

answer and  some steps are given below
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area of cardioid


other problems on integration
integration formulae






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