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Help please!!!! How did they get the answer? Please show your work! Thank you!
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Help please!!!! How did they get the answer? Please show your work! Thank you!

Help please!!!! How did they get the answer? Please show your work! Thank you!-example-1
User Aengus
by
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1 Answer

2 votes
7 ∫ cos(πx) dx
7 [ sin(πx)/π ]
7/π (sin(π/2) - sin(0))
7/π (1 - 0)
7/π ~ 7/3
User Mozey
by
8.6k points
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