Thiendnguyen95
Thiendnguyen95 Thiendnguyen95
  • 17-10-2017
  • Mathematics
contestada

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 class=

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Catya
Catya Catya
  • 17-10-2017
7 ∫ cos(πx) dx
7 [ sin(πx)/π ]
7/π (sin(π/2) - sin(0))
7/π (1 - 0)
7/π  ~ 7/3
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