Calculus

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How do I determine the area of a region bounded by a function and the x-axis if given y=cosx and interval is [0,ð/2]. This has to do with the Fundamental Theorem of Calculus. Thanks in advance!

• Calculus -

FTC says that the area is the definite integral.

area = Int(cosx)[0,pi/2]
= sinx [0,pi/2]
= 1 - 0
= 1

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