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Trigonometry
Question

Round your answer to four decimal places if necess...

Round your answer to four decimal places if necessary. 

Approximate the area under the curve on the given interval using \( n \) rectangles and the evaluation rules for the left endpoint. 

\( y = 7 \cos ( x ) \) on \( [ 0 , \pi / 2 ] , n = 64 \) 

Area under the curve 

Answer

7

Solution
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