formules van simpson Flashcards

1
Q

sin x + sin y

A

2× sin( (x+y) / 2) × cos( (x-y) / 2)

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2
Q

sin x - sin y

A

2× cos( (x+y) / 2) × sin( (x-y) / 2)

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3
Q

cos x + cos y

A

2× cos( (x+y) / 2) × cos( (x-y) / 2)

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4
Q

cos x - cos y

A

-2× sin( (x+y) / 2) × sin( (x-y) / 2)

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