Calculus Polar Area (2 circles)

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[@karthikrambhatla7465]

How to draw r = 4 cos (thetA).. I'm not able to recollect.. need quick help

[@karthikrambhatla7465]

Thank you understood

[@jagwindersinghsidhu7568]

Why multiplied area with 1/2 at 2.30

[@Tech_gyan_1008]

bcz area in polar coordinate =1/2(r)^2 dtheta hota h ok

[@hunainkhan6612]

U r somewhere wrong dude