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Math Help - Use polar coordinates to find the area of the radial set

  1. #1
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    Use polar coordinates to find the area of the radial set

    ok, i thought i knew what i was doing, but apparently not
    also, we cant use u substitution, or chain rule, or anything too advanced
    1. f(theta)=sin (2(theta)) from 0 to pi/2
    2. f(theta)= 1 + cos (theta) from 0 to 2 pi


    any and all help is greatly appreciated!!!!
    thanks in advance
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  2. #2
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    Sep 2009
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    i was able to take the first one to the point of integrating 1/2 of it..the half i couldnt do with the knowledge from the class is 4(1/2(1-cos 2x))^2

    i dont know what to do from here
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