Areas in Polar Coordinates

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We solve the problem of areas in polar coordinates by breaking the region into a sum of little radial "pizza slices", much like how we did areas in Cartesian coordinates by breaking up into a sum of little rectangles

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You're amazing. You're very concise when explaining these concepts. Thanks so much!

iknowimreal
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Oh, I was just thinking about the circle and the angle. So so much time wasted. I forgot about this technique of triangle. Your explanation helped me much . Thank you sir .

shirsenduroy-
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what about arc length of a polar curve? and tangents to polar curves?

aashsyed
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Sir if dA=0.5r^2dtheta can we also say that ds=rdtheta that is taking the integral of the arc length formula

abdurrahmanlabib