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The area of the region A =             2 x 0 , x sin y | x sin x cos | : ) y , x ( is

1. 1 2 2 5  
2. 2 3 5 3  +1
3. 5 + 2 2 – 4.5
4. 1 – 5 4 2 3 

Correct answer: 1 2 2 5  

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