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How to evaluate cos2 pi - sin pi/2

How to evaluate cos2 pi - sin pi/2
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How to evaluate cos2 pi - sin pi/2

User Jesse Van Bekkum
by
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1 Answer

4 votes

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

User Schmmd
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