darinsimon darinsimon

23-07-2020
Mathematics

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how to evaluate cos2 pi - sin pi/2

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bekkarmahdi702 bekkarmahdi702

23-07-2020

Answer:

cos 2π - sin(π/2)

cos 2π is the same as cos 0 wich is 1

sin(π/2) is 1

1-1 = 0

the expression equals 0

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