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How can I calculate the area of this curve?
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As you can see, there are two curves. First one is R=1, and the other one is y=cos(x). How can I find the area marked with hachure?
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Joseph Lee
2017년 11월 23일
편집: Joseph Lee
2017년 11월 23일
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/179560/image.png)
I assume you have the equation for the semicircle as well,
1. Find the intersection points between the two curves, x1 & x2( the two black lines)
2.Find blue area under the cos(x) curve using integration from x1 to x2
3.Find red area under the semi-circle using integration from (x2-1) to x1
4. Add blue and red area = answer
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