Change the Cartesian integral to an equivalent polar integral, and then evaluate. 0 0 -7 -√√49-x² O A. O B. O C. O D. 1+ л(7 + In 8) 4 л(7- In 8) 4 л(7+ In 8) 2 л(7- In 8) 2 1 dy dx ...

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A: givenI=∫0π43+7cos2θcos2θdθthis can be simplify asI=∫0π4(3cos2θ+7cos2θcos2θ)dθI=∫0π4(3sec2θ+7)dθ

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A: Solution:-

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A: In some cases an integral can be simplified to a standard integral with an appropriate substitution.…

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