Use a 45° -45° right triangle to find the exact value of the following trigonometric expression. csc 45° csc 45° = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.)

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Q: whether

A: As per policy, only first question is answered. Please refer to the image below 

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A: NOTE: Refresh your page if you can't see any equations. . take integration 

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A: Solution: As we can see in given table.

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A: Let's find. 

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A: NOTE: Refresh your page if you can't see any equations. . but here 

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A: Let's find.